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Expired Canadian patentCanada

Adaptable filtering enclosure

CA 1075165 A · Owner: Jones, Cyril T. · Inventors: Jones, Cyril T.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

AN ADAPTABLE FILTERING ENCLOSURE, ABSTRACT OF THE INVENTION when an emergency spillage or leakage of liquid pollutants occurs there is one question that is paramount to all that have an interest in the occurrence. That question is -- do we have the immediate capability to clean up the contaminants quickly and effectively. The adaptable filtering enclosures of the invention are both innovative and practical in that under emergency conditions the only tools required for their installation and manufacture are a knife and wire or rope ties. The filters are formed from thin open mesh tub-, ular flexible sheathing having two open ends. The, flexible sheathing serves as an outer filtering skin in …

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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 April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 8, 1980
Term endedApril 8, 1997
Patent numberCA 1075165 A
Classification (IPC)B01D15/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 8, 1980Term endedApril 8, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.