Integrating photometer

- Colight, Inc.
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Description

FIG. 1 is a top plan view of an integrating photometer showing our new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being substantially a mirror image thereof; and

FIG. 3 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D157378 February 1950 Kingsnorth
D213025 December 1968 Sakow
D257851 January 13, 1981 Speck
3999061 December 21, 1976 McLaughlin
4013886 March 22, 1977 Schmid
4212535 July 15, 1980 Sanders
4544843 October 1, 1985 Kern
4558953 December 17, 1985 Yamada
Patent History
Patent number: D285931
Type: Grant
Filed: Feb 3, 1984
Date of Patent: Sep 30, 1986
Assignees: Colight, Inc. (Minneapolis, MN), Electronic Instrumentation & Technology (Sterling, VA)
Inventors: Joe T. May (Leesburg, VA), Steven D. Hale (Lovettsville, VA)
Primary Examiner: Nelson C. Holtje
Law Firm: Faegre & Benson
Application Number: 6/576,748
Classifications
Current U.S. Class: D16/39; Radiation, E.g., Geiger Counter (D10/47)