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Expired Canadian patentCanada

Twist-tie dispenser apparatus and method

CA 1329925 C · Owner: Helseth, James R. · Inventors: Helseth, James R.

CIPO record

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

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Abstract From the Canadian patent

A dispenser system for dispensing a plurality of twist-ties like closure devices 52 arranged in side-by-side alignment and attached at a second end 61 in sheets 50. The attached second ends 61 are crimped about a rod 51 which is inserted in slots 107 defined in side edges 102 of dispenser 100. A plurality of sheets 50 may selectively be inserted in dispenser 100. The dispenser also includes a cover 103 and a tie alignment block 106. The individual ties have a series of transverse perforations 53 54, through the wire 55 and proximate the wire 55 to ensure ease of removal and ensure reference of the steel rule die 250 utilized in fabricating the tie 52. Fabrication of the sheets 50 includes …

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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 May 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 13, 1989
GrantedMay 31, 1994
Term endedMay 31, 2011
Patent numberCA 1329925 C
Classification (IPC)A47F3/02 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 13, 1989Patent grantedMay 31, 1994Term endedMay 31, 2011

Sources & verification

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