Sight gauge protector

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Description

FIG. 1 is a front view of a sight gauge protector showing my new design;

FIG. 2 is a side view of the sight gauge protector of FIG. 1;

FIG. 3 is a rear view of the sight gauge protector of FIG. 1;

FIG. 4 is a section view along lines 4--4 of FIG. 1 of the sight gauge protector;

FIG. 5 is a top plan view of the sight gauge protector of FIG. 1; and,

FIG. 6 is a bottom plan view of the sight gauge protector of FIG. 1.

Referenced Cited
U.S. Patent Documents
D273510 April 17, 1984 Mayor
D334967 April 20, 1993 Kitsuda
1694904 December 1928 Anderson
3046785 July 1962 Au Werter
3248946 May 1966 Lichtenberg et al.
4022062 May 10, 1977 Basel et al.
4440028 April 3, 1984 Ramlow
4557216 December 10, 1985 Demyon
4561305 December 31, 1985 Tremain et al.
4981040 January 1, 1991 Lin
5052224 October 1, 1991 Ford et al.
Foreign Patent Documents
2115936 September 1983 GBX
Other references
  • Liberator/Stroller Brochure for Liquid Oxygen Systems by Gyogenic Associates; Jan. 1984; pp. 1-4.
Patent History
Patent number: D344572
Type: Grant
Filed: Aug 8, 1991
Date of Patent: Feb 22, 1994
Assignee: Minnesota Valley Engineering, Inc. (New Prague, MN)
Inventor: Timothy A. Neeser (Burnsville, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: Cathy Anne MacCormac
Law Firm: Rockey, Rifkin and Ryther
Application Number: 7/742,703
Classifications
Current U.S. Class: Element Or Attachment (1) (D23/206)