Patent Yard Sign in
Expired Canadian patentCanada

Indicating recorder

CA 1094211 A · Owner: Yokogawa Electric Works, Ltd. · Inventors: Sato, Setsuo; Ando, Hiroshi; Fujita, Hisaya

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 indicating recorder consisting of a housing unit an internal, frame unit and an electric power source unit. The housing unit is equipped with a single-swing front door and is composed of a square prismatic housing formed by bending a thin plate. The internal frame unit is supported in the vicinity of the inlet of the housing unit and is rotatable in the direction opposite to the front door so as to be drawn out toward the front. The internal frame unit is composed of left and right side plates and coupling beams of shapes between the two side plates and principally comprises an, indicating recorder mechanism consisting of a chart feed mechanism a, recording pen mechanism and so forth. …

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 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 2, 1978
GrantedJanuary 20, 1981
Term endedJanuary 20, 1998
Patent numberCA 1094211 A
Classification (IPC)G01D11/24 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedNov 2, 1978Patent grantedJan 20, 1981Term endedJan 20, 1998

Sources & verification

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