¶ 15.67    Rationale for 35 U.S.C. 103 Rejection (Single Reference)

It is well settled that it is unobviousness in the overall appearance of the claimed design, when compared with the prior art, rather than minute details or small variations in design as appears to be the case here, that constitutes the test of design patentability. See In re Frick, 275 F.2d 741, 125 USPQ 191 (CCPA 1960) and In re Lamb, 286 F.2d 610, 128 USPQ 539 (CCPA 1961).