Sight glass

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Description

FIG. 1 is a perspective view of the sight glass of my new design;

FIG. 2 is a front elevational view thereof; the rear elevational view is a mirror image thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is sectional view taken along line 7—7 of FIG. 2; and,

FIG. 8 is a sectional view taken along the line 8—8 of FIG. 5.

Claims

The ornamental design of the sight glass, as shown and described.

Referenced Cited
U.S. Patent Documents
1837085 December 1931 Van Gelder
3119185 January 1964 Gray
3546778 December 1970 Lepkowski
D268594 April 12, 1983 Chyba
4968125 November 6, 1990 Rodriquez
D334940 April 20, 1993 Wolinsky
D363300 October 17, 1995 Schwartz
Patent History
Patent number: D505145
Type: Grant
Filed: Sep 3, 2004
Date of Patent: May 17, 2005
Inventor: Robert J. Dillon (Brooklyn Center, MN)
Primary Examiner: Paula A. Greene
Application Number: 29/212,688
Classifications
Current U.S. Class: Lens Or Objective (D16/134)