Ratchet spanner with open mouth
CA 1300932 C · Owner: Wolter, Peter · Inventors: Grzanna, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ratchet spanner includes a handle; an arcuate jaw-like head connected with the handle, the jaw-like head including a side wall defining a space therein an upper, wall, a lower wall, a plurality of first apertures in the upper wall and a plurality of second apertures in the lower wall in alignment with the first apertures; a plurality of pawls; a plurality of posts each secured to, a respective one of the pawls for pivotally mounting the respective pawl in a first aperture and second aperture in the jaw-like head adjacent the side wall; a ratchet insert member positioned with the space and rotatable with respect to the jaw-like head, the ratchet insert member including a plurality of teeth …
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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 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.