Scissor lift and method for using the same
CA 2285899 A1 · Owner: Schirmer, Michael · Inventors: Schirmer, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A scissor lift that achieves enhanced vertical travel of the deck for a given amount of, horizontal travel of the legs. The enhanced vertical travel is achieved by overlapping the, deck pivot point (i.e. the point at which a leg is pivotally connected to the deck) with the, frame pivot point (i.e. the point at which a leg is pivotally connected to the frame) when the, deck is in the fully lowered position. That is the deck pivot point is lower , than the frame pivot point when the deck is fully lowered. The pivot points can occur on the same leg or on, different legs. The deck and frame pivot points can provide purely pivotal movement or a, combination of pivotal and some other type …
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
- Filed October 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2021.
- 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.