Collar for hand tools
CA 1311959 C · Owner: Emhart Industries, Inc. · Inventors: Stoner, John Michael, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molded plastic collar for use on hand tools of the type having an elongated socket to receive a tool handle includes an outer wall defined by first and second tapered surfaces extending lengthwise respectively from each end of the collar towards the middle thereof to form relatively thin wall portions at each end and a relatively thick wall portion at the interface of the first and second tapered surfaces. The inner wall of the collar is defined by a first relatively large diameter section and a second section defined by a relatively small diameter section. The interface of the first and second sections define a radially extending flange-like surface. The end of the socket engages 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
- Granted December 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 2009.
- 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.