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Expired Canadian patentCanada

Assembly of tightly adjacent eye needles

CA 1289763 C · Owner: Berger, Johann · Inventors: Schuelein, Fritz; Berger, Josef; Berger, Johann

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

The invention concerns an assembly of sets of lightly adjacent eye needles (12) for filling-yarn knitting machinery. One set each of eye needles (12 is anchored by injection molding in supports (8,9) at mutually equidistant positions, the needles being mutually parallel by their main planes. Two supports (8,9) each with a set of eye needles (12) form one segment of eye needles. The heads (22) of the eye needles (12) of the first set (24) of needles alternatingly enter centrally between every two heads of the eye needles of the second set (25) of needles. The two sets of needles are fixed within the segments and are oblique in such a manner that a conceptual plane from one of the sets(24) of …

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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 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 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.
FiledJune 29, 1987
GrantedOctober 1, 1991
Term endedOctober 1, 2008
Patent numberCA 1289763 C
Classification (IPC)D04B27/02 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJune 29, 1987Patent grantedOct 1, 1991Term endedOct 1, 2008

Sources & verification

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