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Expired Canadian patentCanada

Brewing funnel with removable insert

CA 1237290 A · Owner: Bunn-O-Matic Corporation · Inventors: Konop, Mitchell J.; Cheatley, Harvey W.; Hartley, Philip G.

CIPO record

Overview

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

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Abstract From the Canadian patent

Beverage brewing funnel combination for supporting scrunchable disposable filters in either their non-scrunched full or normal capacity condition or in a scrunched reduced-capacity condition. The combination is formed by a funnel and a removable skeleton-like insert. The interior bottom surface of the funnel is inclined or dished toward a drain aperture and has a plurality of upstanding ribs which maintain a wet disposable filter out of adhering contact with the bottom surface when the funnel is used without the removable insert to support a disposable filter in its non-scrunched condition. When the insert is nested within the funnel it supports the disposable filters in their scrunched …

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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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 13, 1985
GrantedMay 31, 1988
Term endedMay 31, 2005
Patent numberCA 1237290 A
Classification (IPC)A47J31/06

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJune 13, 1985Patent grantedMay 31, 1988Term endedMay 31, 2005

Sources & verification

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