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Expired Canadian patentCanada

Soffit mounted dryer vent

CA 2258057 C · Owner: Bos, Jim · Inventors: Bos, Jim

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 new Soffit Mounted Dryer Vent for offering a non-maintenance exhaust vent system for a clothes dryer vent that terminates in a soffit of a roof overhang. The inventive device includes a flange, a dryer hose adapter ring, an outlet fitting and a vent flapper. The flange has an air passage an upper surface, and a lower surface. The air passage allows exhaust air to pass through the flange from the dryer hose adapter ring to the outlet fitting. The dryer hose adapter ring is symmetrically mated to the upper surface of the flange. The dryer hose adapter ring has an outer wall diameter of substantially the same dimensions as the clothes dryer vent hose thereby allowing the clothes dry vent …

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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

  • Filed December 30, 1998 and granted October 29, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 30, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 30, 1998
GrantedOctober 29, 2002
Term endedDecember 30, 2018
Patent numberCA 2258057 C
Classification (IPC)F24F13/20 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedDec 30, 1998Patent grantedOct 29, 2002Term endedDec 30, 2018

Sources & verification

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