Molded expansion joint
CA 1064302 A · Owner: Acme Highway Products Corporation · Inventors: Puccio, Guy S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Two concrete slabs separated by a gap are interconnected by a molded expansion joint formed by a pair of composite margine bodies formed of metal and elastomeric material which are disposed on opposite sides of the gap. Each marginal body includes a groove with an aperture which is open in the direction of the gap. An elastomeric sealing means is disposed to span the gap and be received through the marginal body apertures for mounting in the grooves thereof wherein each marginal body includes a metal mounting plate embedded in the elastomeric material thereof which overlies the groove associated therewith. Anchor means secure each of the marginal bodies against the slabs whereby the …
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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 October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 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.