Semaphore
Description
FIG. 1 is a front perspective view of a semaphore showing by new design; and
FIG. 2 is a rear perspective view thereof with the post omitted for ease illustration.
Referenced Cited
U.S. Patent Documents
Other references
D114864 | May 1939 | Muir |
2941185 | June 1960 | Mullikin |
3206744 | September 1965 | Nelson |
- Dreyfuss-Symbol Source book-published 1972, p. 143, line 1 left; p. 146, line 4 left, line 5 right; p. 148, line 3, center and right.
Patent History
Patent number: D267158
Type: Grant
Filed: Aug 7, 1978
Date of Patent: Dec 7, 1982
Inventor: Humberto A. Lopez (Mexico City)
Primary Examiner: Sam Rosen
Application Number: 5/932,041
Type: Grant
Filed: Aug 7, 1978
Date of Patent: Dec 7, 1982
Inventor: Humberto A. Lopez (Mexico City)
Primary Examiner: Sam Rosen
Application Number: 5/932,041
Classifications
Current U.S. Class:
Multiple Sequential Lamps, E.g., "traffic Light" (D10/115)
International Classification: D1006;
International Classification: D1006;