Gripping impact wrench socket
CA 2080266 A1 · Owner: Marbut, Hershal D. · Inventors: Stevens, Richard L.; Marbut, Hershal D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gripping impact socket wrench comprising a housing symmetrically formed about an axis a socket for, receiving the driver of an impact wrench driving tool at a proximal end of the housing, and a cup portion formed at the distal end of the housing including a plurality of symmetrically positioned cam surfaces formed circumferentially around the interior wall of the housing; a plurality of jaws slidably positioned within the cup portion, each jaw having four substantially flat exterior surfaces, a cam surface mating with one of the cam surfaces at the interior of the housing and a, gripping face evenly scored for defining a generally cylindrical arc surface, thereby defining the shape of the …
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
- Filed October 9, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 9, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2014.
- 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.