Caseback with non-circular multilobed snap-fit surface
CA 1114178 A · Owner: Timex Corporation · Inventors: Wuthrich, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CASEBACK WITH NONCIRCULAR, MULTILOBED SNAP-FIT SURFACE" ABSTRACT, Disclosed is a timepiece comprising a case and a back cover with improved snap-fitting means for releasably fastening the cover to the case. The back cover includes as improved snap-fitting means a peripheral engagement surface of noncircular, multilobal cross-section having a lobal diameter selected in relation to the diameter of a circular engagement surface on the case such that said surfaces are in snap-fit relation only at multiple spaced, locations, rather than along their entire peripheries whereby the engagement, surface of the back cover can flex elastically between the spaced contact locations and thus facilitate …
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 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
- 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.