Adjustable ratchet wrench
CA 2059633 A1 · Owner: Fossella, Gregory · Inventors: Fossella, Gregory
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adjustable ratchet wrench has a housing (24) carried by a handle (20). The housing has a generally cylindrical chamber which carries a disc (42) which in turn supports three equidistantly spaced jaws (26). The mounting disc (42) is connected to the handle (20) by a ratchet assembly (30) whose setting determines the direction in which the tool may be used to turn the nut or other workpiece. The housing (24) also carries a cam disc (74) that engages the jaws (26) and opens and closes them depending upon the direction in which it is rotated. A second ratchet mechanism (32) determines the direction in which the cam disc (74) may be rotated with respect to the mounting disc (42) so as to …
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 July 20, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2012.
- 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.