Electrically insulated temporary aerial platform
CA 1264060 C · Owner: A. B. Chance Company · Inventors: Mckelvy, Marvin D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An electrically insulated aerial platform assembly for use by a lineman on or around utility poles is provided which is constructed to maintain the actual work platform in an electrically insulated condition relative to the utility pole itself and the pole connection hardware associated with the assembly. In preferred forms the platform assembly includes a work platform presenting an elongated, substantially flat upper work surface where a lineman may by stand sit or, kneel, together with means for temporarily attaching the platform to the utility pole with the platform being electrically insulated from the pole during normal working conditions. Attachment of the …
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 December 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 2006.
- 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.