Garage door operator and method of assembling
CA 1207808 A · Owner: Chamberlain Manufacturing Corporation · Inventors: Henry, Susanne G.; Tsunemura, Kazuo; Iha, Kiyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A garage door and opener which can be manufactured as separate units and shipped in pre-assembled units and which can be easily and quickly assembled and installed by one or more persons. The door and the operator are self contained in the units and all of the wiring and apparatus including the door and rails are self-contained in the units.
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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 2003.
- 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.