Energy absorbing device
CA 2103588 A1 · Owner: Crawford, Henry · Inventors: Crawford, Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An energy absorbing device (10; 30; 50 82) for use in a fall, arresting system is described comprising a housing (16 20; 38, 40; , 52; 58; 82, 82a) for receiving webbing (12; 32; 62; 86) of a harness coupled to a person or object, the housing being adapted to be coupled to an anchor point. The webbing passes through the device and an external loop (24; 34; 74) of webbing is formed and at least two layers of webbing (12a, 12b; 32a 32b; 62; 86) are, sandwiched in a close fitting relationship in a longitudinal channel (18; 42; 60) of the device. In the event of a fall a force is applied to the object or body and the loop which is free-running, takes up the initial force and limits the force …
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 February 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2014.
- 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.