Aspiration device
CA 2476378 A1 · Owner: Hawthorne, Matthew · Inventors: Hawthorne, Matthew
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aspiration device (3) comprises a syringe barrel coupling element (50) for , coupling to a barrel of a syringe (5) and a plunger coupling element (50), for coupling to a plunger of a syringe (8). The plunger coupling element (12) and the barrel coupling element (50) are moveable relative to each other by application of force to pressure portions (20 60) associated with each , element and the pressure portions (20 60) are adapted to be forced towards , each other by a user placing a finger tip (43) on a first pressure portion and a thumb tip (41) on a second pressure portion. Forcing the pressure portions (20, 60) towards each other forces the plunger (8) to move out of the barrel …
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 February 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 14, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2025.
- 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.