Emergency shelter for underground installation

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Description

FIG. 1 is a bottom plan view of the ornamental design for an emergency shelter for underground installation.

FIG. 2 is a top plan view of the design.

FIG. 3 is a side elevational view of the design taken from one side of the design. A view taken from the opposite side of the design would be the mirror image of this view.

FIG. 4 is a rear elevational view of the design.

FIG. 5 is a front elevational view of the design.

Referenced Cited
U.S. Patent Documents
D132569 May 1942 Turner
D242446 November 1976 McNabb
2936504 May 1960 Harris
3164111 January 1965 Lann
3196813 July 1965 McHugh, Jr.
Patent History
Patent number: D261432
Type: Grant
Filed: Mar 13, 1980
Date of Patent: Oct 20, 1981
Inventor: James H. Ballard (Hamilton, AL)
Primary Examiner: A. Hugo Word
Attorney: C. A. Phillips
Application Number: 6/130,076
Classifications
Current U.S. Class: Underground Service Vault (4) (D25/36); Dome (D25/19)
International Classification: D2501;