Patent Yard Sign in
Expired Canadian patentCanada

Devices and methods for cooling microwave antennas

CA 2532979 C · Owner: Vivant Llc · Inventors: Prakash, Mani; Kim, Steven; Rossetto, Francesca

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

Devices and methods for cooling microwave antennas are disclosed herein. The cooling systems (10) can be used with various types of microwave antennas. One variation generally comprises a handle portion with an elongate outer jacket extending from the handle portion. A microwave antenna is positioned within the handle and outer jacket such that cooling fluid pumped into the handle comes into contact directly along a portion of the length or a majority of , the length, or the entire length of the antenna to allow for direct convective cooling. Other variations include cooling sheaths which form defined cooling channels around a portion of the antenna. Yet another variation includes …

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

  • Filed July 13, 2004 and granted October 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 13, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 13, 2026.
  • 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 13, 2004
GrantedOctober 22, 2013
Term endedJuly 13, 2024
Patent numberCA 2532979 C
Classification (IPC)A61B18/18

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJuly 13, 2004Patent grantedOct 22, 2013Term endedJuly 13, 2024

Sources & verification

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