Countershaft transmission
CA 1231556 A · Owner: Caterpillar Inc. · Inventors: Krause, Michael W.; Windish, Willis E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Countershaft Transmission A countershaft transmission provides at least three forward and three reverse speeds and includes a first countershaft having a second gear secured thereto, a third gear rotatable thereon and a first, clutch for connecting the third gear thereto. A second countershaft has a fourth gear secured thereto which is intermeshed with the second gear, a fifth gear rotatable thereon, a sixth gear rotatable thereon a, seventh gear secured thereto, a second clutch for connecting the fifth gear thereto, and a third clutch for connecting the sixth gear thereto. A first gear is adapted to drive one of the side-by-side third and fifth gears, and a third countershaft is disposed …
Read the whole patent
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 January 19, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.