Seal for vacuum molding apparatus
CA 2109027 A1 · Owner: Huffer, Todd · Inventors: Huffer, Todd; Nowak, Edward J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A seal assembly for a vacuum molding apparatus having a pair of dies movable with respect to one another has substantially vertically oriented wiper plates sealingly secured to exterior side walls of a first die and circumscribing the periphery thereof substantially vertically oriented seal angle plates sealingly secured to exterior side walls of a second die and circumscribing the periphery thereof with the seal, angle plates extending downwardly past the parting lines of the second die and with the inward walls of the seal angle plates being substantially parallel with and closely spaced from the outward walls of the wiper plates when the mold is at least partially closed and, an elongate …
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 October 22, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2015.
- 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.