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Interrupter switch with circuit-parameter sensing features
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Information
Patent Grant
D320977
References
Source
Patent Number
D320,977
Date Filed
Thursday, March 30, 1989
35 years ago
Date Issued
Tuesday, October 22, 1991
33 years ago
Inventors
Bruce A. Biller
Henry W. Scherer
Roy T. Swanson
Joel A. Ramos
Original Assignees
S&C Electric Company
Examiners
Lucas; Susan J.
Sincavage; J.
Agents
Lapacek; James V.
US Classifications
D13 - Equipment for production, distribution, or transformation of energy
Field of Search
US
D13 158
D13 160
D13 169
D13 129-132
200 48 R
200 48 P
200 48 A
200 48 B
200 146 R
Term of Grant
14Years
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Abstract
Description
Claims
The ornamental design for an interrupter switch with circuit-parameter sensing features, as shown and described.
US Referenced Citations (4)
Number
Name
Date
Kind
3163736
Mikos et al.
Dec 1964
3627939
Myers
Jun 1970
4049936
Frink et al.
Sep 1977
4541033
Saito
Sep 1985
Non-Patent Literature Citations (1)
Entry
G&W Interrupter on p. 12 of Electrical Systems Design, 3-88.