Rotating sign mount with automatic return

Details Rotating sign mount with automatic return Rotating sign mount with automatic return

2007-10-23

2007-10-23

Sterling, Amy J. (Department: 3632)

Supports

Easel; book, copy or music score holder

Rotatable

C248S240000, C016S309000

Reexamination Certificate

active

11448422

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: 2003/0070258 (2003-04-01), Nhep et al.
patent: 2003/0131445 (2003-07-01), Padiak et al.

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