Ballast box

Details Ballast box Ballast box

2007-08-28

2007-08-28

Reid, Stella (Department: 2912)

Equipment for production, distribution, or transformation of ene

Energy conversion or transformation

Transformer, rectifier or casing therefor

Design Patent

active

29253703

CLAIM:
The ornamental design for an ballast box, as shown and described.

REFERENCES:
patent: 3197545 (1965-07-01), Moore
patent: D213580 (1969-03-01), Osborne
patent: 4374407 (1983-02-01), Drost et al.
patent: 4924152 (1990-05-01), Flickinger
patent: D353797 (1994-12-01), Gordin et al.
patent: D456938 (2002-05-01), Wardenburg
patent: D478547 (2003-08-01), Milby

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