Tamper resistant box for radon canisters

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Description

FIG. 1 is a top plan view of a tamper resistant box for radon canisters showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a right side elevation thereof; and

FIG. 6 is a left side elevation thereof.

Referenced Cited
U.S. Patent Documents
D229048 November 1973 Newman
D289738 May 12, 1987 McLaughlin et al.
3949931 April 13, 1976 Hall
4098577 July 4, 1978 Halpern
4139121 February 13, 1979 Roccaforte
4426004 January 17, 1984 Hoag
Patent History
Patent number: D318230
Type: Grant
Filed: Feb 9, 1989
Date of Patent: Jul 16, 1991
Assignee: Real Estate Support Services, Inc. (Minneapolis, MN)
Inventor: Gregory J. Fisher (Pittsburgh, PA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Prabnakar Deshmukh
Law Firm: Webb, Burden, Ziesenheim & Webb
Application Number: 7/308,761
Classifications
Current U.S. Class: D/9432; D/9418; D/9424