Engine exhaust emission analyzer

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Information

Patent Grant
D257331

References
Source

Patent Number
D257,331
Date Filed
Friday, July 28, 1978
46 years ago
Date Issued
Tuesday, October 14, 1980
44 years ago

Inventors
Original Assignees
- SUN ELECTRIC CORPORATION
Examiners
- Holtje; Nelson C.
Agents
- Newitt; George B.

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 46 X
- D10 47
- D10 75
- D10 78 X
- D10 81
- D10 102
- D10 103
- 324 115
- 324 156
- 073 23
- 023 232 E
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an engine exhaust emission analyzer, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D147437	Folk	Sep 1947
D184440	Heyer	Feb 1959
D215493	Burridge	Sep 1969
D240609	Schwartz	Jul 1976
D248457	Cullinane	Jul 1978
D250178	Maxwell	Nov 1978