Patent
   D380523
Priority
Feb 02 1996
Filed
Feb 02 1996
Issued
Jul 01 1997
Expiry
Jul 01 2011
Assg.orig
Entity
unknown
0
15
n/a
The ornamental design for a well casing security unit, as shown and described.

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.

Moench, David R.

Patent Priority Assignee Title
Patent Priority Assignee Title
2931379,
2957524,
4411312, Aug 26 1980 Hewing Manufacturing Corporation Water-tight conduit well cap
4461597, Apr 27 1983 Valve box cover
4747453, Mar 06 1987 Security cover and housing for a well
49599,
5111879, Jun 06 1990 MERRILL LYNCH CAPITAL CORPORATION, AS COLLATERAL AGENT Sanitary locking lip split well seal
524666,
D351892, Nov 09 1992 MRLB INTERNATIONAL, INC Water purification cartridge for a dental instrument
D357058, Feb 24 1994 RCT TECHNOLOGIES, L L C Water purification unit
D358448, Dec 29 1993 Hach Company Flow cell for laboratory turbidimeter
D372295, Jul 24 1995 Water filtration unit
4483,
7772,
7902,
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