Contact spring for electrical switch
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Description
The broken lines show parts of the contact spring for electrical switch that represent unclaimed subject matter and form no part of the claimed design.
Claims
I claim the ornamental design for a contact spring for electrical switch, as shown and described.
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Patent History
Patent number: D877094
Type: Grant
Filed: Aug 14, 2018
Date of Patent: Mar 3, 2020
Assignee: Panasonic Intellectual Property Management Co., Ltd. (Osaka)
Inventor: Ryosuke Nakao (Okayama)
Primary Examiner: Selina Sikder
Application Number: 29/659,935
Type: Grant
Filed: Aug 14, 2018
Date of Patent: Mar 3, 2020
Assignee: Panasonic Intellectual Property Management Co., Ltd. (Osaka)
Inventor: Ryosuke Nakao (Okayama)
Primary Examiner: Selina Sikder
Application Number: 29/659,935
Classifications
Current U.S. Class:
Element Or Attachment (D13/173)