Ground engaging element having a controlled cutting edge
CA 1057335 A · Owner: Caterpillar Tractor Co. · Inventors: Stepe, Visvaldis A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ground engaging element having slots extending therethrough and being positioned at preselected locations being of preselected configuration, and terminating at preselected distances from a forward cutting edge of the element for controllably breaking away selected portions of the element in response to forces subjected on the element after the forward edge has been worn away a preselected amount.
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 June 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- 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.