Apparatus for the measurement of fine particles in liquid suspension by the light scattering procedure

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Description

FIG. 1 is a top perspective view of the apparatus for the measurement of fine particles in liquid suspension by the light scattering procedure showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is an end elevational view thereof; and,

FIG. 7 is an opposite end elevational view thereof.

Referenced Cited
U.S. Patent Documents
4616927 October 14, 1986 Phillips et al.
4641969 February 10, 1987 Lundberg et al.
4648715 March 10, 1987 Ford, Jr. et al.
Patent History
Patent number: D329821
Type: Grant
Filed: Feb 21, 1989
Date of Patent: Sep 29, 1992
Assignee: Wyatt Technology Corporation (Santa Barbara, CA)
Inventors: Philip J. Wyatt (Santa Barbara, CA), Richard F. Shuck (Goleta, CA)
Primary Examiner: Susan J. Lucas
Law Firm: Hawes & Fischer
Application Number: 7/380,551
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/103)