Patent Yard Sign in
Expired Canadian patentCanada

Overlapping subarray antenna architecture

CA 2580935 C · Owner: Lewis, Gib F. · Inventors: Lewis, Gib F.

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

An embodiment of an electronically scanned array antenna includes an array (100) of radiative elements (6) having an array height (H). A plurality of separate subarrays (1-6) of the radiative elements include a first row comprising a first plurality of subarrays wherein subarrays of the first , plurality of subarrays are horizontally non-overlapping with one another and , a second row comprising a second plurality of subarrays. The subarrays of the second row are arranged vertically adjacent to the subarrays of the first row wherein subarrays of the second plurality of subarrays are horizontally nonoverlapping with one another. The radiative elements of the separate subarrays are not …

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 January 17, 2006 and granted April 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 17, 2026.
  • 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.
FiledJanuary 17, 2006
GrantedApril 2, 2013
Term endedJanuary 17, 2026
Patent numberCA 2580935 C
Classification (IPC)H01Q21/06 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 17, 2006Patent grantedApril 2, 2013Term endedJan 17, 2026

Sources & verification

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