Telescopic umbrella
CA 1047880 A · Owner: Telesco Brophey Limited · Inventors: Weber, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A telescopic umbrella is provided the umbrella has a, telescoping umbrella stick with a runner sliding thereon with, stretchers running from the runner ; at the outer ends of the stretchers are dome ribs, above each of which is located an auxiliary link running approximately parallel therewith one end, of each auxiliary link being hinged to a dome rib while the other end is hinged to a strut; the auxiliary strut running when the umbrella is in an open configuration obliquely upwards, from the stretcher towards the umbrella stick and a control, link running from each stretcher approximately parallel with an inner dome rib part, the outer end of the control link serving to control the folding …
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 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 1996.
- 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.