Playground see-saw
Description
FIG. 1 is a perspective view of a playground see-saw showing our new design; and
FIG. 2 is an elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D58506 | July 1921 | Schaller |
1552841 | September 1925 | Hector |
- Game-Time Cat. 966, 1965, p. 13, top, see-saws.
Patent History
Patent number: D269538
Type: Grant
Filed: Mar 10, 1981
Date of Patent: Jun 28, 1983
Inventors: Roland H. Sinfield (Morgan, UT), A. Neil Grose (Morgan, UT)
Primary Examiner: Melvin B. Feifer
Attorneys: J. Winslow Young, H. Ross Workman, Allen R. Jensen
Application Number: 6/242,198
Type: Grant
Filed: Mar 10, 1981
Date of Patent: Jun 28, 1983
Inventors: Roland H. Sinfield (Morgan, UT), A. Neil Grose (Morgan, UT)
Primary Examiner: Melvin B. Feifer
Attorneys: J. Winslow Young, H. Ross Workman, Allen R. Jensen
Application Number: 6/242,198
Classifications
Current U.S. Class:
D21/251
International Classification: D2103;
International Classification: D2103;