Cushioning conversion system and method for making a coil of cushioning product
CA 2308441 A1 · Owner: Simmons, James A. Jr. · Inventors: Lintala, Edward W.; Simmons, James A. Jr.; Manley, Thomas E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cushioning conversion system (20; 120; 320) and method for making a coil of cushioning product, including a cushioning conversion machine (22; 122; 322) and a coiler (24; 124; 224; 324). As a strip of cushioning product (S) is emitted from the cushioning conversion machine (22; 122; 322) the coiler (24; , 124; 224; 324) rolls the strip of cushioning product (S) into a coiled configuration to form a coil of cushioning product (C). The coiler (24; 124; 224; 324) is adapted to allow the coil of cushioning product (C) to be removed in its coiled configuration. The cushioning conversion system may also include a guide device (26; 326), which guides the strip of cushioning product from …
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 October 27, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2020.
- 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.