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
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;
International Classification: 2301;