Low flow rotameter

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a low flow rotameter showing my new design;

FIG. 2 is cross-section view of FIG. 1 thereof,

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view, bottom plan being a mirrored image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Claims

The ornamental design for a low flow rotameter, as shown and described.

Referenced Cited
U.S. Patent Documents
4102187 July 25, 1978 Williams
4523480 June 18, 1985 Imoue
5911219 June 15, 1999 Aylsworth et al.
Patent History
Patent number: D457083
Type: Grant
Filed: Mar 31, 2001
Date of Patent: May 14, 2002
Inventor: Tom Christiansen (Whittier, CA)
Primary Examiner: Antoine Duval Davis
Application Number: 29/139,524
Classifications
Current U.S. Class: Volume, Flow Or Rate (D10/96)
International Classification: 1004;