Expired Canadian patentCanada
Magnetic top wedge
CA 1278811 C · Owner: Magnetek, Inc. · Inventors: Hein, Bruce; Shufflebarger, Charles
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A magnetic top wedge for dynamoelectric machinery core slots is disclosed having laminated ferromagnetic segments aligned by an eccentric aperture and enclosed in an electrically insulating and spacing carrier.
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 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 18, 1988
GrantedJanuary 8, 1991
Term endedJanuary 8, 2008
Patent numberCA 1278811 C
Classification (IPC)H02K1/16 +2 more
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.