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Expired Canadian patentCanada

Apparatus and method for ultrasonic processing of laminates

CA 2580995 C · Owner: The Ohio State University Research Foundation · Inventors: Grewell, David; Lee, Edward W.; Benatar, Avraham

CIPO record

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Abstract From the Canadian patent

A method for ultrasonic debulking a composite laminate (105) includes the steps of defining a path (115) across the laminate the path having a starting , location and an ending location and applying a force (109) to and transmitting ultrasonic vibration (111) into the laminate along the path beginning at the , starting location and ending at the ending location. The method further includes determining a temperature of a surface (103,123) of the laminate proximate to the path and varying at least one of an amplitude of the ultrasonic vibration, the applied force a feed rate at which the force and , the ultrasonic vibration are applied along the path an angle at which the , ultrasonic …

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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

  • Filed October 11, 2005 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 11, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 11, 2005
GrantedDecember 4, 2012
Term endedOctober 11, 2025
Patent numberCA 2580995 C
Classification (IPC)B32B37/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 11, 2005Patent grantedDec 4, 2012Term endedOct 11, 2025

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