Drawing Requirements While Applying New Application
Information on drawing requirements is based substantially on 37 CFR § 1.84.Black and white drawings are normally required. India ink, or its equivalent that secures black solid lines, must be…
Special Requirements for Patent Drawings
Drawings shall be executed in durable, black, sufficiently dense, and dark, uniformly thick, and well-defined, lines and strokes without colorings.Cross-sections shall be indicated by oblique hatching which should not impede…