Electronic function design block

Description

FIG. 1 is a perspective view of an electronic function design block, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right end elevational view thereof;

FIG. 7 is a left end elevational view of the opposite end thereof;

FIG. 8 is a perspective view of a second embodiment of an electronic function design block showing my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a right end elevational view thereof; and

FIG. 14 is a left end elevational view of the opposite end thereof.

FIG. 15 is a perspective view of a third embodiment of an electronic function design block showing my new design;

FIG. 16 is a top plan view thereof;

FIG. 17 is a bottom plan view thereof;

FIG. 18 is a front elevational view thereof;

FIG. 19 is a rear elevational view thereof;

FIG. 20 is a right end elevational view thereof;

FIG. 21 is a left end elevational view of the opposite end thereof;

FIG. 22 is a perspective view of a fourth embodiment of an electronic function design block showing my new design;

FIG. 23 is a top plan view thereof;

FIG. 24 is a bottom plan view thereof;

FIG. 25 is a front elevational view thereof;

FIG. 26 is a rear elevational view thereof;

FIG. 27 is a right end elevational view thereof;

FIG. 28 is a left end elevational view of the opposite end thereof;

FIG. 29 is a perspective view of a fifth embodiment of an electronic function design block showing my new design;

FIG. 30 is a top plan view thereof;

FIG. 31 is a bottom plan view thereof;

FIG. 32 is a front elevational view thereof;

FIG. 33 is a rear elevational view thereof;

FIG. 34 is a right end elevational view thereof;

FIG. 35 is a left end elevational view of the opposite end thereof.

Referenced Cited
U.S. Patent Documents
D228136 July 1973 Portugal
D300624 April 11, 1989 Seymour
4152749 May 1, 1979 Knickerbocker
Patent History
Patent number: D312612
Type: Grant
Filed: Apr 1, 1987
Date of Patent: Dec 4, 1990
Inventor: Arthur Seymour (Wheeling, IL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Joel Sincavage
Attorney: Jeffrey M. Morris
Application Number: 7/32,705