Foot pumps
CA 1103094 A · Owner: Price (E.J.) (Developments) Limited · Inventors: Price, Ernest J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A foot pump comprises a base member and an operating member pivotally connected to the base member. A piston-and-cylinder assembly is connected between the members. In use the user depresses the operating member with his or her foot, thereby causing air to be compressed in and expelled from said assembly, A return spring incorporated in said assembly returns the operating member to its raised position. The assembly can be disconnected from the base member and connected to the base member again, at will, and the whole is so arranged that when the assembly is disconnected from the base member the pump can assume a storage position in which the operating member is in a depressed position and …
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 16, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 1998.
- 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.