Game call
CA 1297325 C · Owner: Repko, Edward R. Jr. · Inventors: Repko, Edward R. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A game call includes a substantially, cylindrical body vibratable diaphragm, split ring for, fastening the diaphragm to the body and tubular bell, attachable to the body for amplifying and enhancing the sound produced by the diaphragm. The body includes an inlet end surface having a substantially conical recessed portion, an outlet end surface having two planar surface portions angled with respect to one another, and an air passage extending between the inlet and outlet end surfaces. The air passage has a flared outlet opening at the outlet end surface. The diaphragm is fastened in slightly stretched fashion to the outlet end surface such that it at least substantially covers the flared …
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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.