Loading dock seal
CA 1301552 C · Owner: Rite-Hite Corporation · Inventors: Frommelt, John A.; Lenz, Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A loading dock seal includes a pair of facing sealing members attached to respective opposed edges of a wall which define a portion of an opening therein. Each sealing member includes a plurality of nonlinear flexible, resilient leaf springs each inserted within a respective pocket of an outer fabric cover in a spaced manner along the length of the sealing member and oriented generally horizontally. Each leaf spring is mounted to an edge of the wall defining a side of the opening therein and extends outward from the wall and away from the aperture in the wall. Each of the sealing members further includes a generally vertically oriented stabilizer bar extending substantially its entire …
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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
- Granted May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.