Manually operable aspirator
CA 1270414 C · Owner: Patterson, Charles A. · Inventors: Garth, Geoffrey C.; Patterson, Charles A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aspirator for removing vomit and like matter from the mouth and throat. A bellows integral with a collection reservoir includes a handle grip reciprocable alternately to draw vomit into the reservoir from an attached catheter insertable into the throat, and vent air through an exhaust valve. The bellows-reservoir unit is detachably mounted to a frame which also includes a handle grip and springs. The grips are squeezed to draw in vomit and re-, leased to permit the springs to collapse the bellows. The operation is one-handed, the device is portable and the, bellows-reservoir unit can be separated from the frame and discarded after use. A feature is a one-way inlet valve in the catheter …
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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
- 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.