Smoke detector
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Description
FIG. 1 is a front, top and right side perspective view of a smoke detector showing our new design;
FIG. 2 is a rear elevational view thereof with the smoke detector inverted;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view with the smoke detector upended;
FIG. 5 is a right side elevational view thereof in the position of FIG. 4; and
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D213028 | December 1968 | Walz |
D215974 | November 1969 | Berns |
D242133 | November 1976 | Fitzsimonds |
D244362 | May 17, 1977 | Mayer |
Patent History
Patent number: D256897
Type: Grant
Filed: Jun 28, 1978
Date of Patent: Sep 16, 1980
Assignee: Hochiki Corporation (Tokyo)
Inventors: Takeo Arima (Tokyo), Yoshinori Kaminaka (Sagamihara), Kazumi Kikuchi (Tokyo)
Primary Examiner: W. Stallard
Attorney: Richard C. Sughrue
Application Number: 5/919,654
Type: Grant
Filed: Jun 28, 1978
Date of Patent: Sep 16, 1980
Assignee: Hochiki Corporation (Tokyo)
Inventors: Takeo Arima (Tokyo), Yoshinori Kaminaka (Sagamihara), Kazumi Kikuchi (Tokyo)
Primary Examiner: W. Stallard
Attorney: Richard C. Sughrue
Application Number: 5/919,654
Classifications