Expired Canadian patentCanada
Y connector for angioplasty procedure
CA 1293666 C · Owner: Patton, William E. · Inventors: Lindsey, William J.; Patton, William E.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The connector 20 has a main passage 23 through which a dilatation catheter 11 passes. Combined Tuohy-Borst valve 40 and membrane seals 55 are provided in the main passage to seal the catheter 11 against flow-by.
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 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1988
GrantedDecember 31, 1991
Term endedDecember 31, 2008
Patent numberCA 1293666 C
Classification (IPC)A61M39/00 +2 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.