Tamper indicator lid
CA 1302950 C · Owner: Piano, Anthony Paul · Inventors: Piano, Anthony Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container for holding articles includes a tamper detectable lid which is integrally attached to the container to overlay a capped opening to the container. Removal of the lid from the container provides evidence of tampering and must in, any event, be accomplished to operably expose the capped opening to the container. PAT:10732-05
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 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.