Equi crane anti-tipping device
CA 1266453 C · Owner: Gentile, Anthony · Inventors: Spector, George; Gentile, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A crane anti-tipping device is provided that includes a warning alarm unit in the cab of the crane which will warn the operator that the crane is not on a level plane and that tipping will occur if the cranes makes an over capacity lift. In a modification a sensor switch in the stabilizer foot of the crane will activate an indicator in the cab which will warn the operator.
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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
- 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.