Smoke detector

Details Smoke detector Smoke detector

1986-12-08

1990-03-06

Lucas, Susan J.

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Alarm or control thereof

Patent

active

D03064093

REFERENCES:
patent: D240120 (1976-06-01), Pasquarette
patent: D262868 (1982-02-01), Westphal
patent: D262952 (1982-02-01), Hanig
patent: D269161 (1983-05-01), Fenne
patent: D269331 (1983-06-01), Fenne
patent: D269332 (1983-06-01), Fenne
patent: D271287 (1983-11-01), Fenne
patent: D271670 (1983-12-01), Takai et al.
patent: D275187 (1984-08-01), Skarman
patent: D284748 (1986-07-01), Fenne
patent: 3500368 (1970-03-01), Abe
patent: 3903419 (1975-09-01), Lehsten
Graviner Fire Protection Systems Catalog, 1978, p. 2, fixed temperature detector.

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