Patent Yard Sign in
Expired Canadian patentCanada

Frame construction providing leadthrough facilities for cables or like devices

CA 1303323 C · Owner: Kreutz, Tomas · Inventors: Olausson, Bengt; Kreutz, Tomas; Johansson, Bengt-Goran

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

The invention relates to a frame structure for providing a lead-through facility for passing cables or like devices sealingly through a wall or like structure. The frame construction is substantially of rectangular configuration and is intended to be filled with packing pieces made of a material which has a given compressibility in a manner to, present through-passing holes which correspond in size and in number to the size and the number of cables or like devices to be passed through the frame construction. The invention is mainly characterized in that the frame construction comprises a plurality of mutually interconnected frame members namely at least one frame side-piece for each side of …

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 June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 2009.
  • 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 10, 1987
GrantedJune 16, 1992
Term endedJune 16, 2009
Patent numberCA 1303323 C
Classification (IPC)E04C1/39 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 10, 1987Patent grantedJune 16, 1992Term endedJune 16, 2009

Sources & verification

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