Protective relay

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Description

FIG. 1 is a perspective view of a protective relay;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an exploded perspective view thereof.

The broken lines in the drawings illustrate portions of the protective relay that form no part of the claimed design.

Claims

The ornamental design for a protective relay, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
D278522 April 23, 1985 Hardesty
5015829 May 14, 1991 Eilert
D431239 September 26, 2000 Sasago
D465782 November 19, 2002 Johnsen
D466111 November 26, 2002 Johnsen
D608302 January 19, 2010 Liu
D724073 March 10, 2015 Ismayilov
D788741 June 6, 2017 Ito
D818452 May 22, 2018 Liu
10063038 August 28, 2018 Lin
D906276 December 29, 2020 Liu
20050122702 June 9, 2005 Chen
20090245746 October 1, 2009 Krampotich
Other references
  • TDWorld, Date: Oct. 11, 2021, [online], [site visited Dec. 19, 2022]. Available from internet, URL: https://www.tdworld.com/test-and-measurement/article/21178022/schweitzer-engineering-laboratories-inc-sel-sel-releases-sel851-feeder-protection-relay (Year: 2021).
Patent History
Patent number: D1073627
Type: Grant
Filed: Aug 31, 2021
Date of Patent: May 6, 2025
Assignee: Schweitzer Engineering Laboratories, Inc. (Pullman, WA)
Inventors: Joshua E. Hughes (Pullman, WA), David Glen Riley (Clarkston, WA), Mike Timothy Strickler (Lewiston, ID)
Primary Examiner: Sandra Snapp
Assistant Examiner: Bryan N. Melvin
Application Number: 29/805,953