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Expired Canadian patentCanada

Device for aligning contours of fabrics for industrial sewing machines

CA 1253400 A · Owner: Profeel S.R.L. · Inventors: Romano, Antonino

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

In a device for automatically aligning the contours of two plies to be sewed one upon the other three superimposed blades are hinged to one another at one end by means of a cross pin to form a double pliers. Distally from this pin, there is an elastic means which can be calibrated and which tends to press the middle blade against the lower blade and the upper blade against the middle blade. There is also a means to vary the angular opening between the three blades and, means to adjust the maximum and minimum angular opening between the blades. Futhermore a tripartite, abuting means defines the alignment position of the contours of the two plies (inserted in the spaces between blades) to be …

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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 2, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 2, 2006.
  • 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 4, 1985
GrantedMay 2, 1989
Term endedMay 2, 2006
Patent numberCA 1253400 A
Classification (IPC)D05B35/10

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedSep 4, 1985Patent grantedMay 2, 1989Term endedMay 2, 2006

Sources & verification

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