Dock seal
CA 1291902 C · Owner: Bushman, Matthew J. · Inventors: Miller, Glenn M.; Fettig, Robert P.; Bushman, Matthew J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A dock seal for providing a seal between the end of a truck body and a loading dock. The dock seal includes a pair of resilient pads mounted on the dock alongside a doorway in the dock. The outer face of each pad facing away from the dock has a generally Lshaped configuration including a first surface that extends at an acute angle with respect to the plane of the dock and a shorter second surface that is located inwardly of the first surface and extends at an angle of about 90° with respect to the first surface. As a truck backs toward the loading dock, the end of the truck body will engage the first surface of the pad compressing the pad and deflecting the …
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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
- 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.