Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1992-07-01
1993-12-21
Rosenbaum, Mark
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 56, 220 32, 220 38, 312291, H05K 502
Patent
active
052722791
ABSTRACT:
A general purpose box kit normally used in electricity as, for example, a junction box, a splicing box or a wire drawing box. The kit includes a metal housing having an opening suitable to be close either by a pivotable lid or by a flat lid directly screwed thereon. It allows change of the lid without having to change the whole box.
REFERENCES:
patent: 733568 (1903-07-01), Sundh
patent: 1629267 (1927-05-01), Fischer
patent: 2250977 (1941-07-01), Walker
patent: 2345792 (1944-04-01), Cann
patent: 3386606 (1968-06-01), Pastrick
patent: 3895179 (1975-07-01), Wyatt
patent: 4988832 (1991-01-01), Shotey
patent: 5066832 (1991-11-01), Clarey et al.
Bel Products Inc.
Hughes S. Thomas
Rosenbaum Mark
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