Patent
   D878311
Priority
Nov 07 2016
Filed
May 05 2017
Issued
Mar 17 2020
Expiry
Mar 17 2035
Assg.orig
Entity
unknown
0
16
n/a
The ornamental design for a switch spring, as shown and described.

FIG. 1 is a front, top, left side perspective view of a first embodiment of a switch spring showing my new design;

FIG. 2 is a rear, bottom, right side perspective view thereof;

FIG. 3 is a front view thereof, the rear view being a mirror image of the front view;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a cross sectional view along the line 8-8 of FIG. 4;

FIG. 9 is a front, top, left side perspective view of a second embodiment of a switch spring showing my new design;

FIG. 10 is a rear, bottom, right side perspective view thereof;

FIG. 11 is a front view thereof, the rear view being a mirror image of the front view;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof; and,

FIG. 16 is a cross sectional view along the line 16-16 of FIG. 12.

The broken lines depict portions of the switch spring that form no part of the claimed design.

Watanabe, Shinsuke

Patent Priority Assignee Title
Patent Priority Assignee Title
10096437, Jun 19 2016 Citizen Electronics Co., Ltd.; Citizen Watch Co., Ltd. Key switch
10096439, Sep 02 2016 Citizen Electronics Co., Ltd.; Citizen Watch Co., Ltd. Spring plate, push switch including spring plate, and electronic device including push switch
10115541, May 13 2016 Citizen Electronics Co., Ltd.; Citizen Watch Co., Ltd. Switch component, push switch, electronic device including push switch
10304641, Oct 19 2016 Citizen Electronics Co., Ltd.; Citizen Watch Co., Ltd. Spring plate and push switch including spring plate
10483056, Jul 22 2016 Citizen Electronics Co., Ltd.; Citizen Watch Co., Ltd. Push switch and electronic device including push switch
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 28 2017WATANABE, SHINSUKECITIZEN ELECTRONICS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0422500914 pdf
Apr 28 2017WATANABE, SHINSUKECITIZEN WATCH CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0422500914 pdf
May 05 2017Citizen Electronics Co., Ltd.(assignment on the face of the patent)
May 05 2017Citizen Watch Co., Ltd.(assignment on the face of the patent)
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