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Expired Canadian patentCanada

Device for carrying and closing bags

CA 1266457 C · Owner: Freyer, Hendrik · Inventors: Freyer, Hendrik

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A device for carrying and closing refuse bags comprises a flat carrier ring having a plurality of fingers integrally formed with the carrier ring. The fingers define a conical body member, a wide passage being provided in the centre the conical body member for the insertion of the mouth of the bag. The passage is surrounded by the free ends of the fingers and a slot extends intermediate each two adjacent fingers from the passage towards the carrier ring. The slots terminate at a short distance from the carrier ring. Each finger is provided with two prongs separated by a short slot. The carrier ring and fingers are made of a relatively rigid plastic material and the carrier ring is thicker …

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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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 1986
GrantedMarch 6, 1990
Term endedMarch 6, 2007
Patent numberCA 1266457 C
Classification (IPC)B65B51/04 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedOct 7, 1986Patent grantedMarch 6, 1990Term endedMarch 6, 2007

Sources & verification

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