Hyperbaric liquid aspirating device
CA 1069797 A · Owner: Kendall Company (The) · Inventors: Mcwhorter, Daniel M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aspirating device for a hyperbaric liquid comprising, an elongated cannula having a wall defining a distal end a, lumen, and opening means extending through the cannula wall adjacent the distal end and communicating with the lumen. The opening means is located within approximately 1/8 inch (.32 cm.) of the distal end, with the remainder of the cannula wall proximal the opening means being closed.
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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.