Discharge tube
CA 1299523 C · Owner: Schiemann, Wolfram · Inventors: Schiemann, Wolfram
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A discharge tube for attaching to a fuel can is disclosed with a canward tube section, a discharge section and a flexible central section. The flexibility of the central section is provided by means of bellows-type peripheral grooves. The cross-section of the canward and discharge sections of the tube displays a partition wall formed by axially parallel depressions on each side of the tube wall. The partition wall is discontinued over the length of the central section which has a circular cross-section.
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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
- 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.