Frost protection device for water meter pits

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Description

FIG. 1 is a top view of the frost protection device for water meter pits;

FIG. 2 is a bottom view of the frost protection device for water meter pits;

FIG. 3 is a front view of the frost protection device for water meter pits;

FIG. 4 is a rear view of the frost protection device for water meter pits;

FIG. 5 is a side view of the frost protection device for water meter pits;

FIG. 6 is an opposite side view of the frost protection device for water meter pits;

FIG. 7 is a perspective view of the frost protection device for water meter pits; and,

FIG. 8 is a perspective view of the frost protection device for water meter pits positioned for installation in a water meter pit. The water meter pit, water meter with connected piping, water meter lid, antenna with wiring are shown for environmental purposes only and form no part of the invention.

Referenced Cited
U.S. Patent Documents
D220187 March 1971 Moran
818566 April 1906 Scotti
Patent History
Patent number: D402907
Type: Grant
Filed: Nov 17, 1997
Date of Patent: Dec 22, 1998
Inventor: Thomas B. Ruff (Aurora, CO)
Primary Examiner: Antoine Duval Davis
Attorneys: Edwin H. Crabtree, Ramon L. Pizarro
Application Number: 0/79,454
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/103); Public Utility Meter, I.e., Gas, Water, Etc. (D10/99)
International Classification: 1004;