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Expired Canadian patentCanada

Unitary holding strip for retaining a plurality of screws in a row

CA 1054982 A · Owner: Karl M. Reich, Maschinenfabrik G.M.B.H. · Inventors: Grusa, Bernhard; Schwarz, Heinz

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 unitary holding strip made of plastics material for retaining a plurality of screws in a row the screws having, longitudinal axes and a threading with a given outer thread diameter, which unitary holding strip includes a plurality of screw holding sleeves and lands interconnecting the sleeves which extend along a portion of the threaded length of the respective screw in the axial direction thereof and comprise inwardly facing screw threads for receiving the screw threading. The unitary holding strip of the invention is characterized in that the sleeves completely surround the screw threading and are formed with longitudinally aligned perforations along one side thereof substantially …

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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 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 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—
GrantedMay 22, 1979
Term endedMay 22, 1996
Patent numberCA 1054982 A
Classification (IPC)B65D73/02 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMay 22, 1979Term endedMay 22, 1996

Sources & verification

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