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Expired Canadian patentCanada

Self-retaining adsorbent cartridge for refrigerant receiver

CA 1321761 C · Owner: Incorvia, Samuel A. · Inventors: Incorvia, Samuel A.; Cullen, John S.

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 self-retaining adsorbent cartridge having spaced adsorbent containers attached to each other at their inner ends by a yoke and having tab-like latch structure on their outer ends, the latch structure consisting of a flexible resilient latch member formed at the outer end of one of the adsorbent containers and a second latch member having an aperture therein for receiving the first latch member in locking engagement so that the spaced adsorbent containers will be secured in side-by-side relationship with a bend in the yoke. A selfretaining adsorbent cartridge having tab-like latch structure extending outwardly from opposite edges thereof for encircling conduits in a refrigerant receiver …

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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 August 31, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 31, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 25, 1989
GrantedAugust 31, 1993
Term endedAugust 31, 2010
Patent numberCA 1321761 C
Classification (IPC)B01D53/04 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 25, 1989Patent grantedAug 31, 1993Term endedAug 31, 2010

Sources & verification

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