Rotating sign mount with automatic return

Supports – Easel; book – copy or music score holder – Rotatable

Reexamination Certificate

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Details

C248S240000, C016S309000, C016S316000, C040S606010

Reexamination Certificate

active

07124993

ABSTRACT:
A system for mounting a sign or graphic display to a structure allows rotation of the graphic display and provides for automatic return to the initial orientation.

REFERENCES:
patent: 684721 (1901-10-01), Roots
patent: 2100473 (1937-11-01), Ensslin
patent: 2144885 (1939-01-01), MacFadden
patent: 3184200 (1965-05-01), McDonnell
patent: 4048768 (1977-09-01), Good
patent: 4391020 (1983-07-01), Hsu
patent: 4909464 (1990-03-01), Levine et al.
patent: 6086033 (2000-07-01), Calleja
patent: 6484988 (2002-11-01), Conway et al.
patent: 2003/0131445 (2003-07-01), Padiak et al.

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