Anti cross thread nut
CA 1328751 C · Owner: Buell Industries, Inc. · Inventors: Peterson, Francis C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A female threaded fastener, as such as a nut for, preventing cross threading with a male threaded fastener comprises a body in which there is a threaded bore. A mouth is formed on at least one open end of the bore. The mouth has a partial thread segment and a lip segment. The partial thread segment has formed in it at least one partial thread. The lip segment is unthreaded and may be tapered radially outwardly from the bore.
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 April 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2011.
- 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.