Hub nut with washer
CA 1069356 A · Owner: Ephrem Colin Man · Inventors: Ephrem Colin Man; Sugiura, Toshio; Hanai, Kiyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE OF THE INVENTION:, 35-015-3, HUB NUT WITH WASHER ABSTRACT OF THE DISCLOSURE, A hub nut with a washer characterized in that an annular band of alternating ridges and grooves is formed by knurling circumferentially a part of the outer surface of a cylindrical part projectingly provided on the nut base and a washer with at least partially an inner diameter smaller than the outer diameter of the ridges of the knurled part is press-fitted thereover between the nut base and the knurled part.
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, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.