Switch spring
The broken lines depict portions of the article that form no part of the claimed design. The short-dash-long-dash broken line shown in Embodiment 1 show the bounds of the claim and forms no part of the claimed design.
Claims
The ornamental design for a switch spring, as shown and described.
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Type: Grant
Filed: Oct 7, 2019
Date of Patent: May 26, 2020
Assignees: CITIZEN ELECTRONICS CO., LTD. (Yamanashi-Ken), CITIZEN WATCH CO., LTD. (Tokyo)
Inventor: Shinsuke Watanabe (Yamanashi-ken)
Primary Examiner: Shannon W Morgan
Assistant Examiner: Kristin E Reed
Application Number: 29/708,451