Extensible rod
CA 1045330 A · Owner: Dornier System G.M.B.H. · Inventors: Roth, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The telescoping elements of an extensible rod may be coupled sequentially to a coaxial, partly threaded spindle by respective internally threaded coupling members each element, being drivingly engaged with the spindle by a previously en gaged, abuttingly coupled element. A yieldably resilient mounting for the coupling member or for one of two cooperating abut ment members permits smooth engagement of the spindle threads with the coupling members.
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 January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.