Method and apparatus for preservation of foodstuffs
CA 1292140 C · Owner: Maxwell Laboratories, Inc. · Inventors: Hofmann, Gunter A.; Dunn, Joseph Edward; Pearlman, Jay S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microorganisms present on a surface such as that, of a food product, are inactivated by subjecting the surface to intermittent pulses of very intense very short, duration pulses of light in the visible and near visible frequencies.
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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.