Projection screen

Details Projection screen Projection screen

2007-09-04

2007-09-04

Simmons, Ian (Department: 2916)

Photography and optical equipment

Photographic accessory

Screen or element thereof

Design Patent

active

29271416

CLAIM:
The ornamental design for a projection screen, as shown and described.

REFERENCES:
patent: D38780 (1907-09-01), Beach
patent: D39640 (1908-10-01), Eustis
patent: 4006965 (1977-02-01), Takada et al.
patent: D309679 (1990-08-01), Ackeret
patent: D372591 (1996-08-01), Brunner et al.
patent: D504574 (2005-05-01), Fonfeder
patent: D506074 (2005-06-01), Chen et al.
patent: D506876 (2005-07-01), Mohundro
patent: D514821 (2006-02-01), Mohundro

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