Machines not elsewhere specified – Agricultural or construction machinery – Element or attachment
Design Patent
1999-07-08
2001-01-30
Morris, Sandra L. (Department: 2912)
Machines not elsewhere specified
Agricultural or construction machinery
Element or attachment
Design Patent
active
D0436969
CLAIM:
The ornamental design for a work vehicle ballast, as shown and described.
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patent: 3492019 (1970-01-01), Folkerts
patent: 3700256 (1972-10-01), Jones, Jr.
patent: 3709520 (1973-01-01), Johnson et al.
patent: 4537423 (1985-08-01), Nau et al.
patent: 5255931 (1993-10-01), Hurlburt
Moehle Kenneth A.
Svendsen Darrel J.
Zeni John M.
Case Corporation
Foley & Lardner
Morris Sandra L.
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