Sight glass

- Branham Corporation

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Description

FIG. 1 is a left front perspective view of a sight glass showing my new design, the bottom is a mirror image of the top;

FIG. 2 is a front elevational view thereof, the undisclosed rear is unornamented and not part of the claimed design; and,

FIG. 3 is a right side elevational view thereof, the left side is a mirror image.

Claims

The ornamental design for a sight glass, as shown and described.

Referenced Cited
U.S. Patent Documents
374645 December 1887 Watkins
2312542 March 1943 Goodman
2450330 September 1948 De Giers
2538502 January 1951 Boehm
3935656 February 3, 1976 Pritchard
4176480 December 4, 1979 Euzarraga et al.
4282668 August 11, 1981 Jolkovski
5950288 September 14, 1999 Bach Lahor
6055757 May 2, 2000 Carlsson
Patent History
Patent number: D529061
Type: Grant
Filed: Jul 27, 2005
Date of Patent: Sep 26, 2006
Assignee: Branham Corporation (Johnson City, TN)
Inventor: Curtis Sprague (Johnson City, TN)
Primary Examiner: Paula A. Greene
Attorney: Stainbrook & Strainbrook, LLP
Application Number: 29/235,088
Classifications
Current U.S. Class: Magnifying Or Reducing Glass (D16/135)