Lightweight protective apparel
CA 2533645 C · Owner: Dupont Safety & Construction, Inc. · Inventors: Lovasic, Susan L.; Maini, Surinder M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a blend of fibers for use in protective clothing a , lightweight fabric made from such blend protective articles made from the , blend or fabric and methods for making the fabric. The protective fabrics and articles of this invention have the unique combination of being comfortable being highly effective against electrical arcs and flash fire hazards and having a pleasing appearance. Specifically these fabrics can be processed to , give the look and feel similar to conventional clothing fabrics such as denim fabrics.
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 August 4, 2004 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 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.