Interconnecting piece for an educational pegboard

- Damon Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of our new design for an interconnecting piece for an educational pegboard;

FIG. 2 is a bottom plan view of the design shown in FIG. 1;

FIG. 3 is a view of the male side of the new design;

FIG. 4 is an end view of the new design along line 4--4 of FIG. 3.

Referenced Cited
U.S. Patent Documents
3235975 February 1966 Pierson
3478446 November 1969 McCutcheon
Foreign Patent Documents
99,158 June 1961 NO
Patent History
Patent number: D244307
Type: Grant
Filed: Jul 11, 1975
Date of Patent: May 10, 1977
Assignee: Damon Corporation (Needham Heights, MA)
Inventors: Robert Maddestra (Canton, MA), David E. Munn (Framingham, MA)
Primary Examiner: Melvin B. Feifer
Attorney: Melvin R. Jenney
Application Number: 5/595,320
Classifications
Current U.S. Class: D34/15GG
International Classification: D2101;