Elevator car operating panel

Details Elevator car operating panel Elevator car operating panel

1984-12-03

1986-05-06

Gitlin, Suzanne N.

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Elevator signal or call unit

Patent

active

D02836874

REFERENCES:
patent: D267870 (1983-02-01), Bevilagua et al.
patent: D268026 (1983-02-01), Bevelagua et al.
patent: 4022296 (1977-05-01), Mandel et al.
patent: 4134107 (1979-01-01), Miller et al.
Sweet's Arch Catalog File, 1978, Sec. 14.1/Mon., p. 13, Signal Fixture #5 in bottom right of page.
Sweet's Arch Catalog File, 1978, Sec. 14.1/Ot., p. 15, Signal Fixture, located bottom left.

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