Expired Canadian patentCanada
Gas turbine floating collar
CA 2513049 C · Owner: Pratt & Whitney Canada Corp. · Inventors: Patel, Bhawan B.; Markarian, Lorin
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 simplified floating collar is provided comprising an collar with opposed flanges. The arrangement offers reduced cost and simplicity, and therefore facilitates manufacturing.
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
- Filed July 22, 2005 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 22, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 22, 2005
GrantedJanuary 22, 2013
Term endedJuly 22, 2025
Patent numberCA 2513049 C
Classification (IPC)F01D25/28 +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.