37 CFR 1.437
The drawings.

This document contains one section of Chapter 37 of the Code of Federal Regulations. This page was last updated in November, 2005. You may return to the main 37 CFR Index, or to the index for one of the follow parts:

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§1.437 The drawings.

(a)

Subject to paragraph (b) of this section, when drawings are necessary for the understanding of the invention, or are mentioned in the description, they must be part of an international application as originally filed in the United States Receiving Office in order to maintain the international filing date during the national stage (PCT Art. 7).

(b)

Drawings missing from the application upon filing will be accepted if such drawings are received within 30 days of the date of first receipt of the incomplete papers. If the missing drawings are received within the 30-day period, the international filing date shall be the date on which such drawings are received. If such drawings are not timely received, all references to drawings in the international application shall be considered non-existent (PCT Art. 14(2), Administrative Instruction 310).

(c)

The physical requirements for drawings are set forth in PCT Rule 11 and shall be adhered to.