Reinforcement for expandable compositions and methods for using the reinforcement
CA 2425151 A1 · Owner: Orbseal Llc · Inventors: Lupini, Michael Allen; Franey, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reinforcement for an expandable or foaming material is disclosed that comprises a first (10) and a second (11) member each having protuberances (12) that are contacted when the first and second members are joined. The members are joined by bending a hinge (13) that separates the members or can be , joined in multiple units to form a series. The members are maintained in a closed or joined position by at least one latch (14a,14b). Once joined the , first and second members define at least one opening (15a,15b) wherein a foaming composition can be injected into the joined members. Alternatively a , preformed expandable material can be placed between the first and second members, or …
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 April 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2024.
- 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.