Patent Yard Sign in
Expired Canadian patentCanada

Dump cart

CA 1252493 A · Owner: Randolph, Ralph A. · Inventors: Randolph, Ralph A.

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

Abstract of the Invention, A wheeled dump cart is described which may be dumped from the user's normal position behind the handle. The cart includes a box member pivotably connected to the frame. A cam member may be pivoted from a normal raised position to a ground-engaging position. The cam member engages the box member and causes it to pivot forwardly relative to the frame so as to dump the contents of the cart.

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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
  • 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 21, 1986
GrantedApril 11, 1989
Term endedApril 11, 2006
Patent numberCA 1252493 A
Classification (IPC)B60P1/04

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedOct 21, 1986Patent grantedApril 11, 1989Term endedApril 11, 2006

Sources & verification

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