Blood drawing apparatus
CA 1322919 C · Owner: Wanamaker, Thomas · Inventors: Wanamaker, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blood sample device for drawing blood from the patient. The device includes a locking mechanism which holds a biased needle assembly in the needle holder during use. Upon release of the locking mechanism, the bias on the needle assembly ejects the same from the holder. Various embodiments of locking mechanisms utilized with and without various bias means are utilized.
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 October 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
- 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.