Manually operated liquid dispensers
CA 1063983 A · Owner: The Afa Corporation · Inventors: Cary, John R.; Wesner, Walter H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
INVENTORS, John Richard Cary, Walter Herbert Wesner By Thomas W. Brennan, TITLE: IMPROVEMENTS IN MANUALLY OPERATED LIQUID DISPENSERS ABSTRACT OF THE DISCLOSURE: A manually operated dispensing device for a container holding a quantity of liquid is disclosed. The device has a variable volume pump chamber within a component retaining body. The chamber is defined by a flexible walled collapsible, container having a closed end or bottom and an open end or top preferably in the form of a compressible bellows, and fabricated of any of the various thermoplastics. The container or bellows is associated with a movable member in the form of a trigger which when actuated compressively stresses the …
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 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 9, 1996.
- 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.