Elastomeric switch control device
CA 1236507 A · Owner: Gates Data Products, Inc. · Inventors: Watkins, Richard L.; Nemeth, Joseph C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An elastomeric switch control element is disclosed for push button switches and the like, including first and second annular spring portions formed of elastic material, one of the spring portions being adapted to undergo a rolling action upon depression of the switch control element and, the other annular portion being adapted to flex and undergo a snap transformation to provide a tactile feel to the operator.
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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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.