Patent Yard Sign in
Expired Canadian patentCanada

Ink delivery system

CA 1284060 C · Owner: Kaplinsky, George T. · Inventors: Kaplinsky, George T.

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 ink delivery system (10) comprising an ink bag or reservoir (14), a bladder (16) and a print head (24) is provided. A valve (38) provides selected fluid communication to permit total closure (no ink flow) fluid communi-, cation from the ink bag to the bladder (refill mode) and fluid communication from the bladder to the print head (print mode). The ink bag comprises a material impervious to air and water and bladder comprises a resilient material capable of several refills. Both are mounted on one side of a platform support (12). The valve is mounted in a plenum chamber (22) on the opposite side of the platform support and is provided with a rotatable means (50) to permit rotation of 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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 16, 1987
GrantedMay 14, 1991
Term endedMay 14, 2008
Patent numberCA 1284060 C
Classification (IPC)B41J2/17 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 16, 1987Patent grantedMay 14, 1991Term endedMay 14, 2008

Sources & verification

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