Dead-front electrical plug
CA 1046148 A · Owner: Harvey Hubbell Incorporated · Inventors: Hoffman, Ernest G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A one-piece dead-front electrical plug comprises a dead-front member, conductive blades mounted therethrough and two side covers hingedly, connected to the dead-front member by integral web hinges The side covers pivot between an open position affording access for making wiring connections between a cord and the conductive blades and a closed position fully enclos-, ing the wiring area. Each side cover has cord clamp teeth which cooperate to grip the cord. The web hinges are protected from longitudinal stress in one embodiment by side cover flanges which are matingly received in notch openings in the dead front member, and in another embodiment by dowel pins protruding from the dead-front …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.