Work platform for an overhead crane
CA 2537014 C · Owner: Mhe Technologies, Inc. · Inventors: Waisanen, Steve K.; Eriksson, Neal Charles; D'Amico, Fred J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A work platform (10) for use in performing maintenance while supported on an overhead crane (14) . The work platform is particularly useful for performing maintenance on overhead cranes located in areas where normal lifting equipment and/or scaffolding cannot easily access the overhead crane. However the work , platform (10) is also useful for performing maintenance on equipment and/or structures in the vicinity of overhead cranes and on overhead cranes located , in areas without accessibility problems. The work platform (10) is hoisted for placement on support structure of the overhead crane (14) by hoist apparatus (18) of the overhead crane (14) . When positioned the work platform …
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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
- Filed September 3, 2004 and granted November 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 3, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 3, 2026.
- 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.