Receptacles – Outlet or junction box type – With closure
Patent
1976-01-02
1977-10-18
Marcus, Stephen
Receptacles
Outlet or junction box type
With closure
174 66, 220 394, 220241, H02G 308
Patent
active
040542220
ABSTRACT:
An electrical floor box having an opening receiving a cover formed in two pieces having mating straight walls defining a joining line extending across the opening. The cover and opening have facing peripheral walls, and tabs extend outwardly from one of the peripheral walls toward the other of the peripheral walls on opposite sides of the joining line. The other peripheral wall has recesses receiving the tabs for releasably holding the cover in the opening.
REFERENCES:
patent: 2177123 (1939-10-01), Wittenberg
patent: 2480578 (1949-08-01), Hodges
patent: 2800242 (1957-07-01), Sauthoff
patent: 2907927 (1959-10-01), Fisher
patent: 3187922 (1965-06-01), Hoskins et al.
patent: 3424341 (1969-01-01), Slapnik
patent: 3438534 (1969-04-01), Zerwes
patent: 3729572 (1973-04-01), Helin
Marcus Stephen
Midland-Ross Corporation
Switzer H. Duane
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