Expanding file

Details Expanding file Expanding file

2002-10-29

2003-10-21

Holtje, Martie K. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

Design Patent

active

D0481074

CLAIM:
The ornamental design for an expanding file, substantially as shown and described.

REFERENCES:
patent: 1444811 (1923-02-01), Tarbox
patent: 1871569 (1932-08-01), Warshaw
patent: 2151469 (1939-03-01), Hochtheil
patent: 2333798 (1943-11-01), Kner
patent: 4730727 (1988-03-01), Petroff
patent: D314981 (1991-02-01), Hassel
patent: 5271502 (1993-12-01), Chang
patent: 5630509 (1997-05-01), Su
patent: D435591 (2000-12-01), Wyant
patent: D471014 (2003-03-01), Shapiro
patent: D476032 (2003-06-01), Marchand

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