Inflating device
CA 1162137 A · Owner: Stumpp, Karl H.P. · Inventors: Stumpp, Karl H.P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for inflating objects has a housing intended to be held and operated by one hand and provided with a discharge duct for connection to a high pressure gas container and communicating with a nozzle through a hand-operated valve device. The discharge duct is formed as an ejector with side passages provided with non-return valves arranged to admit secondary air into the duct. The housing is formed with an interior chamber adapted to receive the gas container which is formed as a gas bulb with a closed neck portion; an opening provided with a gas bulb retainer permitting the retention of the gas bulb in the chamber in a position in which the neck portion extends into a ring-shaped seal …
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 February 14, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2001.
- 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.