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Expired Canadian patentCanada

Terry cloth mattress and lawn chair cover with continuous elastic border

CA 1257716 A · Owner: Greer, Stephen I. · Inventors: Greer, Stephen I.

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

A towel cover made of terry cloth is provided with a peripheral hem in which is inserted an elastic band to cause snug-fitting of the towel to an air mattress or a mattress of a lawn chair. The towel also has a plurality of hooks formed in the edge of the peripheral hem which cooperate with elastic fastening bands that couple oppositely-disposed hooks together, so as to prevent lateral slippage of the towel relative to the mattress. Each end of a fastening band is provided with a pair of spaced-apart buttons which are selectively insertable into one of the hooks to adjust the biassing force of the band to suit the type and size of mattress being covered.

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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 July 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 18, 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.
FiledJuly 24, 1986
GrantedJuly 18, 1989
Term endedJuly 18, 2006
Patent numberCA 1257716 A
Classification (IPC)A47C31/10 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedJuly 24, 1986Patent grantedJuly 18, 1989Term endedJuly 18, 2006

Sources & verification

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