Geometrical instruments
Patent
1977-01-21
1977-12-06
Lake, Roy
Geometrical instruments
179 1PC, H01R 2702
Patent
active
040614115
ABSTRACT:
A multi-outlet adaptor for plug-in telephones is in the form of a hollow box-like member in the front of which are at least two apertures with a jack aligned with and behind each aperture. A plug can be inserted through each aperture. On the rear of the box-like member is an integral plug for insertion in the normal telephone outlet or jack. The jacks in the adaptor are wired in parallel to the plug on the rear. A latch can be provided on the plug and the apertures can be profiled to provide latch engaging formations.
REFERENCES:
patent: 2654074 (1953-09-01), Lancelot
patent: 3668324 (1972-06-01), Firestone
patent: 3761869 (1973-09-01), Hardesty et al.
Cogan Fredrick Thomas
Gumb Beverley William
Kuhfus Gerd
Abrams Neil
Jelly Sidney T.
Lake Roy
Northern Telecom Limited
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