Cantilevered washer for a fastener
CA 1310524 C · Owner: R. L. Industries · Inventors: Goforthe, Ronald D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A washer for a threaded fastener said washer having a center, axis, said washer comprising: a conical seat portion having a conically-shaped seat; an annular ring portion;, a cantilever portion located between said conical seat portion and said annular ring portion, said cantilever portion being integral with said conical seat portion and said annular ring portion said can-, tilever portion causing said conical seat portion to be offset along said center axis relative to said annular ring portion.
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 November 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2009.
- 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.