Utility cutting tool having toggle link mechanism
CA 2433608 A1 · Owner: American Tool Companies, Inc. · Inventors: Knight, John B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A utility tool (2) utilizing a toggle link mechanism and a method for using the utility tool (2) for providng a substantial machanical advantage for a user throughout an entire work operation such as cutting sheet material. The tool (2) comprises an upper handle (10) a jaw (16) pivotally attached (90) to the upper handle (10) and a handle link (44) rigidly attached to the handle. The toool (2) also comprises a toggle acton force transfer mechanism defined by an intermediary link (14) extending between the jaw link (66) and handle link (44), wherein force inputted to the means moves the intermediary link (14) away from the upper handle (10).
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 November 29, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2023.
- 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.