Folding stage riser
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Description
FIG. 1 is a rear elevational view of a folding stage riser for choral groups and the like, showing our new design;
FIG. 2 is a right end elevational view of the riser;
FIG. 3 is a right end elevational view of the riser shown in collapsed position;
FIG. 4 is a front elevational view of the riser;
FIG. 5 is a top plan view of riser;
FIG. 6 is a left end elevational view of the riser; and
FIG. 7 is a bottom plan view of the riser.
Referenced Cited
U.S. Patent Documents
D216787 | March 1970 | Sorenson |
3747706 | July 1973 | Paine et al. |
4011695 | March 15, 1977 | Simmons, Sr. |
Patent History
Patent number: D307186
Type: Grant
Filed: Nov 6, 1987
Date of Patent: Apr 10, 1990
Assignee: Stageright Corporation (Clare, MI)
Inventors: Orley D. Rogers (Farwell, MI), Kenneth E. Staten (Clare, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Doris Clark
Law Firm: Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
Application Number: 7/117,312
Type: Grant
Filed: Nov 6, 1987
Date of Patent: Apr 10, 1990
Assignee: Stageright Corporation (Clare, MI)
Inventors: Orley D. Rogers (Farwell, MI), Kenneth E. Staten (Clare, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Doris Clark
Law Firm: Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
Application Number: 7/117,312
Classifications
Current U.S. Class:
Stair, Ladder, Scaffold, Or Similar Support (D25/62)