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Expired Canadian patentCanada

Anti-slip plastic glass

CA 1294582 C · Owner: Culver Glassware Co. Inc. · Inventors: Ho, Alexander

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

An anti-slip plastic glass is disclosed including a plastic glass with a groove in its base a, ring base disposed within the groove and including a plurality of circumferential slots, and an anti-slip band between the groove and the ring base, and including a plurality of flanges and notches. In this manner contact between the anti-slip band and a table or other surface is maintained to prevent the glass from slipping and thus prevent damage to the table or other surface thereby.

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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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 18, 1988
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294582 C
Classification (IPC)A47G19/22 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedFeb 18, 1988Patent grantedJan 21, 1992Term endedJan 21, 2009

Sources & verification

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