Hand tool
CA 1255931 A · Owner: Kvinge, Ronald A. · Inventors: Therkildsen, Albert J.; Kvinge, Ronald A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand tool for use with refrigeration equipment comprises a shank with a first end that is enlarged as compared to the width of the shank and has a passageway therein, and a second end in the form of a finger that is reduced in width as compared to the width of the shank and enlarged in thickness as compared to the thickness of the shank. The tool facilitates adjustment of the thermostatic expansion valve of the refrigeration equipment. -1-
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 June 20, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 20, 2006.
- 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.