Aerial lift
CA 1068618 A · Owner: Smith, Raymond E. (Jr.) · Inventors: Smith, Raymond E. (Jr.)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an aerial lift which includes a substantially horizontal supporting means a pivotable boom having, an extensible load end and a pivot end. Means mount the boom to the supporting means so that the boom pivot end is substantially horizontally movable but vertically fixed. A support arm has one end pivotally mounted to the support means and a second end pivotally mounted to the boom and means are provided for raising and lowering the boom so that as the boom load end is elevated, its boom pivot end moves substantially horizontally toward the support arm. Means are provided for automatically extending the extensible load end as the load end is elevated to move the load end along a …
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 December 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 25, 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.