Expired Canadian patentCanada
Sports racket
CA 1330220 C · Owner: Speros, James · Inventors: Broadman, Gene A.; Speros, James; Svoma, Rodney
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sports racket having a stringed playing surface wherein selected ends of individual string segments meet the frame alternately in front of or behind the plane of the playing surface.
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 14, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 15, 1989
GrantedJune 14, 1994
Term endedJune 14, 2011
Patent numberCA 1330220 C
Classification (IPC)A63B51/00 +1 more
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.