Lip assembly including side portions with projections
CA 2501697 C · Owner: Berkeley Forge & Tool Inc. · Inventors: Bierwith, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lip assembly comprises a lip having an upper surface a lower surface, a , front , portion, a rear portion a first side portion, a second side portion corners , between the front , portion and the first and second side portions and a plurality of holes , disposed between the front portion and the rear portion and extending from the upper surface to the lower surface. , The first and second side portions are on opposite sides of the front portion of the lip, and the , front portion, the corners the first side portion, and the second side portion include , projections and valleys with the first side portion substantially facing the second side , portion. A plurality of tooth assemblies …
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
- Filed March 21, 2005 and granted July 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 21, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.