Smoke detector
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Description
FIG. 1 is a front elevational view of the smoke detector showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view as seen from the right of FIG. 1; and
FIG. 6 is a side elevational view as seen from the left of FIG. 1.
Referenced Cited
U.S. Patent Documents
Other references
D213027 | December 1968 | Walz |
D225379 | December 1972 | Callagher |
- Progressive Architecture, June 1975, p. 95, Ionization Detector, left.
Patent History
Patent number: D246700
Type: Grant
Filed: Jun 14, 1976
Date of Patent: Dec 20, 1977
Assignee: A-T-O Inc. (Willoughby, OH)
Inventor: Channing Wallace Gilson (Los Angeles, CA)
Primary Examiner: Susan J. Lucas
Attorney: Louis J. Knobbe
Application Number: 5/695,714
Type: Grant
Filed: Jun 14, 1976
Date of Patent: Dec 20, 1977
Assignee: A-T-O Inc. (Willoughby, OH)
Inventor: Channing Wallace Gilson (Los Angeles, CA)
Primary Examiner: Susan J. Lucas
Attorney: Louis J. Knobbe
Application Number: 5/695,714
Classifications
Current U.S. Class:
D10/106
International Classification: D1005;
International Classification: D1005;