Hand-held refractometer

- IT Concepts, LLC
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Description

FIG. 1 is an isometric view of the hand-held refractometer of my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken lines showing throughout the drawing figures are included for the purpose of illustrating environmental structure only and form no part of the claimed design.

Claims

We claim the ornamental design for a hand-held refractometer, as shown and described.

Referenced Cited
U.S. Patent Documents
4890916 January 2, 1990 Rainer
D348849 July 19, 1994 Thompson
5355211 October 11, 1994 Thompson et al.
D364825 December 5, 1995 Brodeur et al.
D371516 July 9, 1996 Guber et al.
D381921 August 5, 1997 Siemon et al.
D396814 August 11, 1998 Akeley
6195160 February 27, 2001 Rainer et al.
6816248 November 9, 2004 Sharma et al.
Patent History
Patent number: D510880
Type: Grant
Filed: Jun 11, 2004
Date of Patent: Oct 25, 2005
Assignee: IT Concepts, LLC (Dublin, CA)
Inventor: Yury Shapiro (San Ramon, CA)
Primary Examiner: Antoine D. Davis
Attorney: Dorsey & Whitney LLP
Application Number: 29/207,369
Classifications
Current U.S. Class: Provided With Handle, Or Hand-held (D10/78)