Frequency selective surface
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The broken lines shown represent unclaimed subject matter of the frequency selective surface or environments and form no part of the claimed design.
The dash-dot lines represent the boundary between the claimed design and unclaimed design.
Claims
The ornamental design for the frequency selective surface, as shown and described.
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Type: Grant
Filed: Sep 7, 2016
Date of Patent: Mar 5, 2019
Assignee: Mitsubishi Electric Corporation (Tokyo)
Inventors: Michio Takikawa (Tokyo), Hiroto Ado (Tokyo), Masashi Okuno (Tokyo), Yoshio Inasawa (Tokyo)
Primary Examiner: John Windmuller
Assistant Examiner: Benjamin M Weeks
Application Number: 29/576,846