Patent Yard Sign in
Expired Canadian patentCanada

Compression tacker

CA 1093752 A · Owner: Duo-Fast Corporation · Inventors: Novak, Raymond F.; Frank, Edmund; Doyle, Richard H.

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

A compression tacker for driving fasteners includes a frame defining a nose portion and a grip portion. A front jaw is pivotally and removably mounted on the nose portion to define a drive track. A plunger is reciprocated in the drive track. The front jaw includes a locking mechanism that upon actuation by the operator of the tool, unlocks the jaw from the frame and allows it to be pivoted relative to the frame to expose the drive track. A handle for actuating the plunger is mounted on the frame and includes a bearing about which a spring is mounted. A workpiece engaging jaw may be removably fastened to the nose portion. The workpiece jaw includes upper and lower surfaces for engaging …

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.
FiledJune 27, 1979
GrantedJanuary 20, 1981
Term endedJanuary 20, 1998
Patent numberCA 1093752 A
Classification (IPC)B25C5/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJune 27, 1979Patent 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.