Patent Yard Sign in
Expired Canadian patentCanada

Microcomputerized electronic postage meter system

CA 1069216 A · Owner: Pitney-Bowes · Inventors: Eckert, Alton B. (Jr.); Warren, Joseph R.; Check, Frank T. (Jr.)

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

An advanced electronic postage meter system is described which is built around a micro computer set. The micro computer set is of LSI design, and comprises a single chip central processor unit (CPU) which performs all control and data processing functions. Auxiliary to the CPU are ROM's which store the program of the postage meter system; RAM's which provide the system with a working memory; and Shift Registers which expand the I/O capacity of the system and provide multiplexing capability. The postage meter system comprises componentry such as a non-volatile memory for postage accounting purposes; a display for visually monitoring the functions of the system; a keyboard for instructing the …

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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 1, 1980
Term endedJanuary 1, 1997
Patent numberCA 1069216 A
Classification (IPC)G06F1/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 1, 1980Term endedJan 1, 1997

Sources & verification

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