In its first versions, the CDR file format was a completely proprietary file format primarily used for vector graphic drawings, recognizable by the first two bytes of the file being "WL". Starting with CorelDraw 3, the file format changed to a Resource Interchange File Format (RIFF) envelope, recognizable by the first four bytes of the file being "RIFF", and a "CDR*vrsn" in bytes 9 to 15, with the asterisk "*" being just a blank in early versions.[54] Beginning with CorelDraw 4 it included the version number of the writing program in hexadecimal ("4" meaning version 4, "D" meaning version 13). The actual data chunk of the RIFF remains a Corel proprietary format.
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For Windows 95 and Windows NT 4.0. Includes WordPerfect 8, Quattro Pro 8, Corel Presentations 8, corel Central 8, Grolier Multimedia Encyclopedia 1998, Corel Photo House, 10000+ Clipart Images, 1000+ fonts, and 200+ photos.
A nonprovisional utility patent application must include a specification, including a description and a claim or claims; drawings, when necessary; an oath or declaration; and the prescribed filing, search, and examination fees.
A Utility Patent Application Transmittal Form (Form PTO/AIA/15) or a transmittal letter should be filed with every patent application to identify the items being filed (e.g., specification, drawings, declaration, and information disclosure statement). The form identifies the first named inventor, the type of application, the title of the invention, the contents of the application, and any accompanying enclosures. (Form PTO/SB/21 should be used for all correspondence after initial filing.)
You can electronically submit the required filing, search, and examination fees using a credit card or electronic funds transfer. For example, when filing your patent application online via Patent Center, it is better to pay these fees online rather than later, because any filing, search, or examination fee paid on a date later than the patent application filing date requires a late surcharge of $160 ($64 for small entity applicants and $32 for micro entity applicants). The late surcharge will also be owed if you file the required oath or declaration on a date later than the application filing date, so it is best to ensure that the required fees and the oath or declaration are included with the specification (including claims) and drawings filed via Patent Center. You can also file your nonprovisional utility application in paper by mail or by hand-delivery; however, this will cost you an additional non-electronic filing fee of $400 ($200 for small and micro entities) on top of the regular filing, search, and examination fees. You will also owe the additional fee set forth in 37 CFR 1.16(u) referenced above for not filing the specification, claims, and abstract in DOCX format if your nonprovisional utility application is filed on or after April 3, 2023. If you file in paper anyway, the Fee Transmittal Form (Form PTO/SB/17) may be used to calculate the prescribed filing, examination, and search fees, any excess claim fees or application size fee, and indicate the method of payment (by check, money order, USPTO deposit account, or credit card).
It is required that the description be sufficient so that any person of ordinary skill in the pertinent art, science, or area could make and use the invention without extensive experimentation. The best mode contemplated by the inventor of carrying out the invention must be set forth in the description. Each element in the drawings should be mentioned in the description. See MPEP 608.01(g) for more information.
Separate from the specification, a patent application is required to contain drawings if drawings are necessary to understand the subject matter to be patented. Most patent applications contain drawings. The drawings must show every feature of the invention as specified in the claims. A drawing necessary to understand the invention cannot be introduced into an application after the filing date of the application because of the prohibition against new matter. Please see the detailed Drawing Requirements section.
It is important that the postcard itemizes each component of the application. For example, a general statement such as "complete application" or "patent application" or "drawings" will not show that each of the required components of an application was included if one of the items is later found to be missing by the USPTO.
Black and white drawings are normally required. India ink, or its equivalent that secures black solid lines, must be used for drawings. Drawings made by hand should be scanned into PDF format for filing via Patent Center. The following margins are required:
The sheets of drawings should be numbered in consecutive Arabic numerals, starting with 1, within the sight. These numbers, if present, must be placed in the middle of the top of the sheet but not in the margin. The numbers can be placed on the right-hand side if the drawing extends too close to the middle of the top edge of the usable surface. The drawing sheet numbering must be clear and larger than the numbers used as reference characters to avoid confusion. The number of each sheet should be shown by two Arabic numerals placed on either side of an oblique line, with the first being the sheet number and the second being the total number of sheets of drawings, with no other marking.
Identifying indicia, if provided, should include the title of the invention, the inventor's name, the application number (if known), and docket number (if any). This information must be placed within the top margin of each sheet of drawings. The name and telephone number of a person to call if the USPTO is unable to match the drawings to the proper application may also be provided in the event the drawings are filed in paper, rather than via EFS-Web.
Chemical or mathematical formulas, tables, computer program listings, and waveforms may be submitted as drawings and are subject to the same requirements as drawings. Each chemical or mathematical formula must be labeled as a separate figure, using brackets when necessary, to show that information is properly integrated. With regard to electrical signals, each group of waveforms must be presented as a single figure using a common vertical axis and time extending along the horizontal axis. Each individual waveform discussed in the specification must be identified with a separate letter designation adjacent to the vertical axis. These may be placed in a landscape orientation if they cannot be presented satisfactorily in a portrait orientation. Characters used in such formulas and tables must meet the requirements set forth in 37 CFR 1.58(c).
The scale to which a drawing is made must be large enough to show the mechanism without crowding when the drawing is reduced in size to two-thirds in reproduction. Indications such as "actual size" or "scale 1/2" are not permitted on the drawings since these lose their meaning with reproduction in a different format.
All drawings must be made by a process which will give them satisfactory reproduction characteristics. Every line, number, and letter must be durable, clean, black (except for color drawings), sufficiently dense and dark, and uniformly thick and well-defined. The weight of all lines and letters must be heavy enough to permit adequate reproduction. This requirement applies to all lines however fine, to shading, and to lines representing cut surfaces in sectional views. Lines and strokes of different thicknesses may be used in the same drawing where different thicknesses have a different meaning.
The use of shading in views is encouraged if it aids in understanding the invention and if it does not reduce legibility. Shading is used to indicate the surface or shape of spherical, cylindrical, and conical elements of an object. Flat parts may also be lightly shaded. Such shading is preferred in the case of parts shown in perspective, but not for cross sections. See discussion of sectional views above. Spaced lines for shading are preferred. These lines must be thin, as few in number as practicable, and they must contrast with the rest of the drawings. As a substitute for shading, heavy lines on the shade side of objects can be used except where they superimpose on each other or obscure reference characters. Light should come from the upper left corner at an angle of 45 degrees. Surface delineations should preferably be shown by proper shading. Solid black shading areas are not permitted, except when used to represent bar graphs or color.
On rare occasions, color drawings may be necessary as the only practical medium by which the subject matter sought to be patented in a utility patent application is disclosed. The USPTO will accept color drawings in utility patent applications and statutory invention registrations only after granting a petition explaining why the color drawings are necessary. Any such petition must include:
Photographs have the same format requirements as drawings. The photographs must be of sufficient quality so that all details in the drawing are reproducible in the printed patent or any patent application publication. 2ff7e9595c
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