Double hinging cap
CA 1270466 C · Owner: Dart Industries Inc. · Inventors: De Coster, Pieter K.J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container cap including dual longitudinally aligned closure lids integrally connected by an inboard hinge strip having a central mounting panel and opposed hinges integrally joining the hinge strip to the respective lids. A pair of outboard spring strips parallel the hinge strip in spaced relation to each side thereof, each spring strip including a substantially rigid central panel and opposed and hinges integrally joining the spring strip to the opposed lids on axes longitudinally outwardly spaced from the axes of the hinge strip hinges.
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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
- 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.