Well casing security unit

Description

FIG. 1 is an environmental perspective view of a well casing security device showing my new design;

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

FIG. 3 is a right side elevational view with the left side being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of a pipe and elbow in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D4483 November 1870 Cummins
RE7772 July 1877 Cross
RE7902 October 1877 Cross
49599 August 1865 Sicouret
D351892 October 25, 1994 Wolf et al.
D357058 April 4, 1995 Engelhard
D358448 May 16, 1995 Paoli
D372295 July 30, 1996 Weber
524666 August 1894 Cavallaro
2931379 April 1960 Haydin
2957524 October 1960 Earl
4411312 October 25, 1983 English
4461597 July 24, 1984 Laurin
4747453 May 31, 1988 Howard, Sr.
5111879 May 12, 1992 Jozwiak et al.
Patent History
Patent number: D380523
Type: Grant
Filed: Feb 2, 1996
Date of Patent: Jul 1, 1997
Inventor: David R. Moench (Oroville, CA)
Primary Examiner: Marcus A. Jackson
Attorney: Richard C. Litman
Application Number: 0/50,586
Classifications
Current U.S. Class: Element Or Attachment (1) (D23/206); D10/106
International Classification: 2301;