Security door

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Description

FIG. 1 is a top plan view of a security door showing our new design the bottom being a mirror image thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a rear elevational view.

The broken line showing of the structural indicia is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
1846762 February 1932 Scantlebury
2948366 August 1960 Kelly et al.
3895669 July 1975 Heeling
4810999 March 7, 1989 Moshier
Patent History
Patent number: D307479
Type: Grant
Filed: Aug 20, 1987
Date of Patent: Apr 24, 1990
Assignee: Daris Design Company (Detroit, MI)
Inventors: Richard Bennett (Detroit, MI), Steven B. Evans (Detroit, MI), Damon A. Davis (Ann Arbor, MI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorney: Dykema Gossett
Application Number: 7/87,622
Classifications
Current U.S. Class: D25/48; D25/53; Perforated Or Openwork (24) (D25/152)