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Expired Canadian patentCanada

Baffle for tubular header

CA 1288090 C · Owner: Modine Manufacturing Company · Inventors: Alley, Scot T.

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

The heat exchanger having a pair of elongated tubular, headers 10, 12 with tubes 14 extending between the headers 10, 12 and in fluid communication with the interiors thereof. Opposed slots 32, 34; 34, 52; 34 56, 58; extend, generally transverse to the length of the tubular headers 10, 12 and a baffle piece 26, 26', 26''. 26''' and 26'''' located in such slots.

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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 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.
FiledAugust 3, 1989
GrantedAugust 27, 1991
Term endedAugust 27, 2008
Patent numberCA 1288090 C
Classification (IPC)F28F9/02

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedAug 3, 1989Patent grantedAug 27, 1991Term endedAug 27, 2008

Sources & verification

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