Portable seating bleacher

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Description

FIG. 1 is a perspective view of a portable seating bleacher showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is an enlarged perspective view of the portable seating bleacher showing our design.

The broken lines are for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D216787 March 1970 Sorenson
3117350 January 1964 Margadant
3451361 June 1969 Sorenson
Patent History
Patent number: D417010
Type: Grant
Filed: May 21, 1998
Date of Patent: Nov 23, 1999
Assignee: Greenwich Industries, L.P. (Lake Bluff, IL)
Inventors: John Jack Bryjak (Park Ridge, IL), Arthur Hergott (Deerfield, IL), Troy W. Livingston (Northbrook, IL)
Primary Examiner: Doris Clark
Law Firm: Fitch, Even, Tabin & Flannery
Application Number: 0/88,354
Classifications
Current U.S. Class: Stair, Ladder, Scaffold, Or Similar Support (D25/62)
International Classification: 2504;