Roller bearing assembly
CA 1281758 C · Owner: Winters, John Kirby · Inventors: Schilling, Leonhard Georg; Winters, John Kirby
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved self-contained roller bearing assembly includes coaxially disposed inner and outer bearing race members (or assemblies) at, least one circumferential row of cylindrical rollers and at least one circumferential row of tapered rollers disposed radially between the inner and outer bearing members (or assemblies). The inner and outer bearing race members (or assemblies) include generally recessed and generally non-recessed annular cylindrical raceway surfaces as well as generally, recessed and generally non-recessed annular conical raceway surfaces. At least one of the inner and outer bearing race members or assemblies includes at least a pair of separate race member portions that …
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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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.
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.