Design for an interrupter unit for a switch assembly

Follow

Information

Patent Grant
D314758

References
Source

Patent Number
D314,758
Date Filed
Friday, November 18, 1988
36 years ago
Date Issued
Tuesday, February 19, 1991
33 years ago

Inventors
- Edward J. Rogers
- Leonard V. Chabala
Original Assignees
- S&C Electric Company
Examiners
- Gandy; James M.
- Sincavage; Joel
Agents
- Lapacek; James V.

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 32
- D13 34
- 200 48 A
- 200 48 P
- 200 48 KB
- 200 48 SB
- 200 144 R
- 200 146 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an interrupter unit for a switch assembly, as shown and described.

US Referenced Citations (2)

Number	Name	Date	Kind
3508178	Chabala et al.	Apr 1970
3909570	Harner et al.	Sep 1975

Foreign Referenced Citations (1)

Number	Date	Country
675244	Dec 1963	CAX

Non-Patent Literature Citations (2)

Entry
Japanese Patent Office Design Gazette H1-512, Jul. 11, 1989, Registration No. 629050, (2 pp.).
Takamatso Electric Works Bulletin No. 210-83A, (2 pp.).