Contact spring for electrical switch
Latest Panasonic Patents:
- Parking assistance apparatus and parking assistance method
- Power supply device
- Composite member
- Group III nitride crystal manufacturing apparatus having a growth chamber that includes a multilayer body or a porous body made of at least one element having a catalytic effect for a decomposition reaction of a nitrogen element-containing gas
- Fine-particle powder containing calcium oxide or calcium hydroxide and production method for same
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.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 4822959 | April 18, 1989 | Schwab |
| 6369692 | April 9, 2002 | Van Zeeland |
| D563328 | March 4, 2008 | Sano |
| 7354032 | April 8, 2008 | Buchhagen |
| D600655 | September 22, 2009 | Miyasaka et al. |
| 8960655 | February 24, 2015 | Wood |
| 9633800 | April 25, 2017 | Tsai |
| D802544 | November 14, 2017 | Goto et al. |
| 10304641 | May 28, 2019 | Watanabe |
| 20060278011 | December 14, 2006 | Miyasaka |
| 20090200147 | August 13, 2009 | Watanabe |
| 20120039026 | February 16, 2012 | Dai |
| 20160064158 | March 3, 2016 | Nakase |
| 20180025860 | January 25, 2018 | Wakuda |
| 20180108501 | April 19, 2018 | Watanabe |
| 20180151313 | May 31, 2018 | Yashima |
| 20190088422 | March 21, 2019 | Thizon |
| D1428088 | November 2011 | JP |
| D1428459 | November 2011 | JP |
| D1477930 | August 2013 | JP |
| D1542045 | January 2016 | JP |
Patent History
Patent number: D877095
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: 29/659,977
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: 29/659,977
Classifications
Current U.S. Class:
Element Or Attachment (D13/173)