Drive socket
CA 2079431 A1 · Owner: Tenuta, Ralph D. · Inventors: Tenuta, Ralph D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive socket for driving a fastener having a head into a workpiece, constructed according to the teachings of the present invention, comprises a movable member having a socket and a sleeve having a bottom end. The movable or socket member is capable of axial movement with respect to a surrounding sleeve. An actuable member connects the movable member to the sleeve. The socket member is offset a distance upwardly from the bottom end of the sleeve. The actuable member positively restricts the axial movement of the movable member with respect to the sleeve so as to permit changing of the distance between the socket and the bottom end of the sleeve from a distance somewhat larger than an …
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 September 29, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 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.