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Expired Canadian patentCanada

Collated fasteners

CA 1290599 C · Owner: Potucek, Frank R. · Inventors: Potucek, Frank R.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure A plurality of fasteners each having an enlarged head with a slot or a passageway there through to accommodate and cage the shank of another like fastener so that the plurality of fasteners form a self-contained collated strip. Preferably the fastener has at least three spaced vertical cups and edges about a central core with a pair of adjacent edges of one fastener caged in the complimentary slot of the adjacent-like fastener. A notch is provided on such pair of edges to releasably lock the fasteners together in the strip.

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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 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.
FiledFebruary 1, 1988
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290599 C
Classification (IPC)F16B15/08

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedFeb 1, 1988Patent grantedOct 15, 1991Term endedOct 15, 2008

Sources & verification

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