Explosion proof enclosure for electrical apparatus or similar article

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Information

Patent Grant
D272732

References
Source

Patent Number
D272,732
Date Filed
Monday, May 11, 1981
43 years ago
Date Issued
Tuesday, February 21, 1984
40 years ago

Inventors
- Richard D. Buis
- Brian E. Moore
Original Assignees
- ENDRESS + HAUSER, INC
Examiners
- Lucas; Susan J.
- Wilder; Lynn
Agents
- Barnes & Thornburg

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 12
- D13 13
- D13 40
- 174 50
- 174 51
- 174 52
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an explosion proof enclosure for electrical apparatus or similar article, as shown.

US Referenced Citations (5)

Number	Name	Date	Kind
D115709	Olley	Jul 1939
D156681	Stone	Sep 1947
3582535	Appleton	Jun 1971
3724706	Slocum	Apr 1973
3853291	Burke	Dec 1974