Strip-wound hose and the manufacture thereof
CA 1190871 A · Owner: Burcher, Friedrich · Inventors: Burcher, Friedrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
BE IT KNOWN THAT FRIEDRICH BUERCHER, residing at Freischuetzstrasse 17 8000, Munich, Germany, of German nationality having made an invention entitled: --STRIP-WOUND HOSE AND THE MANUFACTURE THEREOF-the following disclosure contains a correct and full description of the invention and the best mode known to the inventor of taking advantage of same. Abstract. For joining together the turns of strip-wound hose of metal the edges of a metal foil strip forming the turns are overlapped and folded and a folded connection band is placed along such folds. The connection band is then squeezed forming a fold neck in which the edges of the strip or strips are locked. Furthermore the connection band may …
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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 July 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2002.
- 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.