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Expired Canadian patentCanada

Side-pull roller blind

CA 1270182 C · Owner: Heidenescher, Hermann · Inventors: Appel, Hans; Heidenescher, Hermann

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 this side-pull roller blind the drive housing (8) has side attachment elements (27) that are located within the outline of the drive wheel (10). These, as well as the corresponding attachment elements (29) on the carrier (25) are provided, dis-, tributed about a circle so as to permit repeated repositioning. The other side of the side-pull roller blind (2) and the carriers of this end are configured in a similar way. The drive housing (8) also has a clamping coil spring (9) that is installed on a pin (12) and within this a dog plate (11) for rotating the appropriate end of the roller blind shaft that is connected with the drive wheel (10) so as to drive this, with the incorporation 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 June 12, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 2007.
  • 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 9, 1986
GrantedJune 12, 1990
Term endedJune 12, 2007
Patent numberCA 1270182 C
Classification (IPC)E06B9/78 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedOct 9, 1986Patent grantedJune 12, 1990Term endedJune 12, 2007

Sources & verification

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