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Expired Canadian patentCanada

Device for automatically weighing object in conveyance

CA 1303075 C · Owner: Sheng-Jung, Wu · Inventors: Sheng-Jung, Wu

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 device for weighing slender or piece - like objects being conveyed. This device includes a driving means a fixed stand, a, movable stand, a conveyer and a weighing scale. As an object to, be weighed is conveyed onto a supporting portion of the movable stand, the movable stand will be lowered thereby putting the object on the weighing scale and enabling the object to be separated from other mechanisms. After the object has been weighed, the movable stand will be restored to its original position and the object will continue to be conveyed. The weighing result can be input to a computer for analysis or control, or the device can be an integral part of a completely automatic operating system.

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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 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.
FiledDecember 9, 1988
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1303075 C
Classification (IPC)G01G19/00 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 9, 1988Patent grantedJune 9, 1992Term endedJune 9, 2009

Sources & verification

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