Integrating photometer

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Information

Patent Grant
D285931

References
Source

Patent Number
D285,931
Date Filed
Friday, February 3, 1984
40 years ago
Date Issued
Tuesday, September 30, 1986
38 years ago

Inventors
- Steven D. Hale
- Joe T. May
Original Assignees
- Colight, Inc.
- Electronic Instrumentation and Technology, Inc.
Examiners
- Holtje; Nelson C.
Agents
- Faegre & Benson

US Classifications
- D16 - Photography and optical equipment
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D16 39
- D16 38
- D16 10
- 250 3361
- 250 4931
- 250 4922
- 250 239
- 250 370 R
- 250 372
- 250 373
- 356 51
- 356 214
- 356 215
- 356 414
- D10 46
- D10 47
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an integrating photometer, substantially as shown.

US Referenced Citations (8)

Number	Name	Date	Kind
D157378	Kingsnorth	Feb 1950
D213025	Sakow	Dec 1968
D257851	Speck	Jan 1981
3999061	McLaughlin	Dec 1976
4013886	Schmid	Mar 1977
4212535	Sanders	Jul 1980
4544843	Kern	Oct 1985
4558953	Yamada	Dec 1985