A hand tool handle with shock absorbent airbag
CA 2209885 A1 · Owner: Chen, John · Inventors: Chen, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A design of a hand tool handle with shock absorbent airbag comprising mainly an airbag element within a handle which is designed to fit insertion of various hand tools while the inner hollow space of the handle is designed for embedding of the airbag so that an airbag is formed between the handle and the hand tool to absorb shock from reaction of impacting force and consequently shock being felt by person holding the hand tool is lowered. The airbag element can be a hollow structure with two legs portions, or a cylindrical hollow structure or even, formed as an inner part of the handle during production.
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 July 7, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2019.
- 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.