Residual current operated circuit-breaker

Follow

Information

Patent Grant
D334174

References
Source

Patent Number
D334,174
Date Filed
Wednesday, October 9, 1991
33 years ago
Date Issued
Tuesday, March 23, 1993
31 years ago

Inventors
Original Assignees
- Mitsubishi Denki Kabushiki Kaisha
Examiners
- Burke; Wallace R.
- Sincavage; Joel
Agents
- Burns, Doane, Swecker & Mathis

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 158
- D13 160
- 361 115
- 361 357
- 200 4301
- 200 293
- 200 144 AP
- 335 6
- 335 8
- 335 16
- 335 18
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a residual current operated circuit-breaker, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
3-10634	Apr 1991	JPX

US Referenced Citations (4)

Number	Name	Date	Kind
D315333	Barbier et al.	Mar 1991
D321169	Bouteiller	Oct 1991
D326844	Bouteiller	Jun 1992
4595812	Tamaru et al.	Jun 1986

Non-Patent Literature Citations (4)

Entry
Mitsubishi circuit breaker on p. 761 of Elektrotechinsche Zeitschrift, Jul. 1985.
Circuit breakers on p. 240 of Westinghouse Consulting Application Guide, Mar. 1989.
Group of four circuit breakers on p. 620 of Elektrotechinsche Zeitschrift, Jun. 1989.
Super NV, published by Mitsubishi Denki Kabushiki Kaisha, Mar. 1987.