Patent Yard Sign in
Expired Canadian patentCanada

Push plate assembly

CA 2504001 C · Owner: T.K.M. Unlimited, Inc. · Inventors: Milo, Thomas K.

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

A push plate assembly sends a signal to a receiver. The push plate includes a housing a push plate, a signal generator, a biasing member a first latch element, a second latch element and a button. The push plate is movably mounted to the housing. The signal generator includes a switch. The switch is in electrical communication with circuitry through which a signal is transmitted. The biasing member is disposed between the push plate and the signal generator. The biasing member biases the push plate away from the signal generator. The first latch element is connected to the push plate. The second latch element is disposed in the housing. The first latch element and the second latch element …

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 April 6, 2005 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 2005
GrantedSeptember 25, 2012
Term endedApril 6, 2025
Patent numberCA 2504001 C
Classification (IPC)E05B47/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 6, 2005Patent grantedSep 25, 2012Term endedApril 6, 2025

Sources & verification

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