Method and apparatus for introducing a pulverulent material into a tire
CA 2260238 A1 · Owner: International Marketing, Inc. · Inventors: Schuessler, Warren E. Jr.; Buckles, Ray G.; Fogal, Robert D. Sr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for introducing a pulverulent material into a tire (13) of a wheel assembly, through the valve stem thereof without a large amount of , operator time effort, or intervention. The apparatus includes two main types of components, the mainframe component (12) and one or more workstations components (14a, 14b). Each workstation component (14a 14b) serves as a , location from which an operator for the apparatus introduces the pulverulent material into a tire (13) and the mainframe component (12) includes a container for confining a predetermined amount of the pulverulent material and includes the other components required to dispense the pulverulent material into 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
- Filed July 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2019.
- 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.