Patent Yard Sign in
Expired Canadian patentCanada

Two stage gripping apparatus and method for strapping machine

CA 2189191 C · Owner: Renz, Mark · Inventors: Haberstroh, James; Renz, Mark

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

In a strapping machine, a device for applying various levels of gripping force to a lead end of a strap during various phases of a strapping cycle is disclosed. A cam having high pressure, reduced pressure and released, pressure surfaces cooperates with an end gripper to grip a strap firmly loosely, or not at all, depending on the requirements.

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 30, 1996 and granted October 29, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 30, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 30, 1996
GrantedOctober 29, 2002
Term endedOctober 30, 2016
Patent numberCA 2189191 C
Classification (IPC)B65B13/22 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedOct 30, 1996Patent grantedOct 29, 2002Term endedOct 30, 2016

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.