Patent Yard Sign in
Expired Canadian patentCanada

Artificial tree structure

CA 1055697 A · Owner: Szulewski, John W. · Inventors: Szulewski, John W.

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 Disclosure An artificial tree having an elongated trunk member supportable from a lower end to extend on a vertical axis. The trunk member has at least a tubular portion and a plurality of pairs of spaced-apart apertures in the tubular portion. The apertures each lie on an axis substantially coextensive to the long axis of the elongated member. A plurality of limb members are provided and each having a connector end. The connector end has engageable means constituted by a first rod section and a second rod section extending substantially transverse to the first rod section. The second rod section includes an angled rod portion extending substantially in the same direction as …

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 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
  • 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—
GrantedJune 5, 1979
Term endedJune 5, 1996
Patent numberCA 1055697 A
Classification (IPC)A47G33/06

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 5, 1979Term endedJune 5, 1996

Sources & verification

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