Roof anchor for an existing roof

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Description

FIGS. 1 and 2 are respectively front and rear elevational views of a roof anchor for an existing roof showing my new design;

FIG. 3 and 4 are respectively left and right side elevational views thereof;

FIGS. 5 and 6 are respectively top and bottom views thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D58002 May 1921 Virden
D275868 October 9, 1984 Ake
D291058 July 28, 1987 Sorenson
D309251 July 17, 1990 Palmer
D314133 January 29, 1991 Issand
2891490 June 1959 Elsner
3276731 October 1966 Orchard
3297293 January 1967 Andrews et al.
4431352 February 14, 1984 Andrews
Foreign Patent Documents
0302218 February 1989 EPX
Patent History
Patent number: D329196
Type: Grant
Filed: Jul 9, 1991
Date of Patent: Sep 8, 1992
Assignee: Niagara Roof Anchors Inc.
Inventor: Michael A. Schor (St. Catherines)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Dennison, Meserole, Pollack & Scheiner
Application Number: 7/727,162
Classifications
Current U.S. Class: D/8373; Element Or Attachment (5) (D12/317); D/8356