Window blind apparatus

Details Window blind apparatus Window blind apparatus

1999-08-17

2001-03-27

Siegel, Mitchell (Department: 2912)

Design Patent

active

D0439460

CLAIM:
The ornamental design for a window blind apparatus, as shown and described.

REFERENCES:
patent: D. 334683 (1993-04-01), Byrne
patent: D. 379729 (1997-06-01), Ohanesian
patent: D. 406716 (1999-03-01), Growden
patent: 2564865 (1951-08-01), Turner et al.
patent: 5927365 (1999-07-01), Almodovar et al.
patent: 6119757 (2000-09-01), Judkins et al.

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