Patent Yard Sign in
Expired Canadian patentCanada

Fitted sheet hemmer

CA 1339460 C · Owner: Sew Simple Systems, Inc. · Inventors: Brocklehurst, Charles E.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Sheet material (30) is cut into rectangular segments (35). The segments are then moved parallel to their cut edges rapidly away from the cutting station into a slower operating first sewing station (40) where elastic bands are sewn to the cut head and foot edge portions of the segment. The rapidly moving trailing portion of the segment (35) of sheet material is temporarily accumulated at the accumulation station (39) and progressively fed at a lower rate from the accumulation station to the first sewing station. The head and foot edge portions are folded into overlying relationship with respect the main body portion by passing the main body portion through a U-shaped turn and at the same …

Read the whole patent

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 September 16, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 19, 1988
GrantedSeptember 16, 1997
Term endedSeptember 16, 2014
Patent numberCA 1339460 C
Classification (IPC)D05B3/00 +1 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedOct 19, 1988Patent grantedSep 16, 1997Term endedSep 16, 2014

Sources & verification

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