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Canadian application, no grantCanada

Internal combustion engine

CA 2425354 A1 · Owner: Glodowski, Mark J. · Inventors: Stanelle, Gary; Glodowski, Mark J.; Monis, Karl W.

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 twin cylinder engine, includes a pair of cylinder members mounted to mounting, surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder, members are modular components which may be pre-assembled with components of the, valve train as packaged units before the cylinder members are attached to the crankcase. Each, cylinder member rotatably supports a cam gear which extends into the crankcase for driving, engagement with the crankshaft. The cylinder members may be configured for either side, valve-type ("L-head"), or overhead valve-type ("OHV") engines and the , cylinder members, may also be used in single cylinder engines.

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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 April 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 14, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 14, 2003
GrantedNo grant recorded
Term endedApril 14, 2023
Patent numberCA 2425354 A1
Classification (IPC)F01L1/18 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 14, 2003Term endedApril 14, 2023

Sources & verification

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