Human machine interface for protection relay
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The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
The lightweight broken lines in the drawings illustrate features of the human machine interface for protection relay that form no part of the claimed design. The heavyweight broken lines are directed to environment and represent no part of the claimed subject matter.
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Claims
The ornamental design for human machine interface for protection relay, as shown and described.
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Type: Grant
Filed: Apr 18, 2019
Date of Patent: Jul 22, 2025
Assignee: ABB Schweiz AG (Baden)
Inventor: Raimo Jouppila (Helsinki)
Primary Examiner: Sandra Snapp
Assistant Examiner: Bryan N. Melvin
Application Number: 29/688,102