Vacuum assisted method for installing a water proof liner
CA 1322385 C · Owner: Bjk Industries, Inc. · Inventors: Krein, Reuben
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for disposing a waterproof liner in a container includes disposing a bag within the container and attaching the peripheral edges at the opening of the bag lo the peripheral edges of the container opening. A negative pressure is then formed in the space between the bag and the inner walls of the container to cause the sides of the liner of move toward the sides of the container and adhere thereto.
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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 2010.
- 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.