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Expired Canadian patentCanada

Coiled connected nail assembly with flat heads

CA 1206448 A · Owner: Max Co. Ltd. · Inventors: Mashimo, Kazuhiko; Yamada, Toshio

CIPO record

Overview

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

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Abstract From the Canadian patent

An assembly of connected nails (4) formed by spacing a multiplicity of nails (2) uniformly and mutually parallel, fastening the arrayed nails in position with a flexible connecting member (1) and, rolling up the resultant band of nails in a coil which assembly is constructed so that the heads of the nails in one ply (52A, 52C, 52E, 52N) of said coil adjoin the shanks of the nails in the immediately next ply (52B, 52D, 52F) of said coil, the heads of the nails in the successive plies of said coil are alternately staggered in the axial direction of said coil between radially adjacent plies, and the opposite axial ends (6) of said coil have substantially flat surfaces.

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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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
  • 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 6, 1984
GrantedJune 24, 1986
Term endedJune 24, 2003
Patent numberCA 1206448 A
Classification (IPC)B65D75/00 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedFeb 6, 1984Patent grantedJune 24, 1986Term endedJune 24, 2003

Sources & verification

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