Lock for an electrical switch

Details Lock for an electrical switch Lock for an electrical switch

1992-04-13

1994-12-20

Burke, Wallace R.

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Switch or casing therefor

Patent

active

D03535800

REFERENCES:
patent: D178439 (1956-07-01), Waller
patent: D197426 (1964-02-01), Hussar
patent: D253171 (1979-10-01), Harris et al.
patent: D264205 (1982-05-01), Logeman et al.
patent: D319576 (1991-09-01), Westphal et al.
patent: 2472205 (1949-06-01), Greider
patent: 2813938 (1957-11-01), Speitzman
patent: 3811104 (1974-05-01), Caldwell
patent: 3995201 (1976-11-01), Allardice, Jr.
patent: 4052655 (1977-10-01), Vizza
patent: 4468544 (1984-08-01), Wainess et al.
patent: 4506120 (1985-02-01), Fleischman
patent: 5115376 (1992-05-01), Nakajima
Toggle switch lock on p. 2 of IBM Technical Disclosure Bulletin vol. 3, No. 8, Jan. 1961.

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