Patent Yard Sign in
Expired Canadian patentCanada

Tube construction for food and beverage tray

CA 1318291 C · Owner: Blackman, Stephen M. · Inventors: Blackman, Stephen M.

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

A tray particularly useful by fast food establishments and the like for serving various products. The tray is formed from a tube formed in a flat state for storage and shipment and being readily erectible . A central portion of the top of such tube is provided with suitable product receiving openings which may open into a receptacle or which receive drink cups. At one or more ends of the tray, there is a compartment which is defined by an end of the initial tube which is pivoted from a longitudinal position to an upstanding position. The tray may have one or more internal stiffeners to prevent the collapse thereof when in tube form and stacked. Numerous embodiments are envisioned although …

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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
  • 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 15, 1988
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318291 C
Classification (IPC)B65D5/48 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 15, 1988Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

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