Current limiting attachment for a circuit breaker

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Description

FIG. 1 is a front and upper right perspective view of a current limiting attachment for a circuit breaker showing our new design;

FIG. 2 is a rear and upper left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D300315 March 21, 1989 Thomas
4680562 July 14, 1987 Bratkowski et al.
Foreign Patent Documents
3037405 May 1982 DEX
Patent History
Patent number: D325568
Type: Grant
Filed: Nov 5, 1990
Date of Patent: Apr 21, 1992
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Shiro Murata (Fukuyama), Shinji Yamagata (Fukuyama), Masakatsu Suzuki (Kamakura)
Primary Examiner: Susan J. Lucas
Assistant Examiner: J. Sincavage
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/609,171
Classifications
Current U.S. Class: Element Or Attachment (D13/173)