Combined logic training board and power input bodies

Description

FIG. 1 is a top, right side and front perspective view of a combined logic training board and power input bodies showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D208632 September 1967 Ringhofer
D239934 May 1976 Jack
3410001 November 1968 Blum
Foreign Patent Documents
WO84/02995 August 1984 WOX
Patent History
Patent number: D299253
Type: Grant
Filed: Oct 23, 1985
Date of Patent: Jan 3, 1989
Inventor: Chuy-Nan Chio (Taipei)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Darby & Darby
Application Number: 6/790,330
Classifications
Current U.S. Class: Teaching Material (D19/59)