Machines not elsewhere specified – Agricultural or construction machinery – Element or attachment
Design Patent
2000-07-31
2001-08-07
Morris, Sandra L. (Department: 2912)
Machines not elsewhere specified
Agricultural or construction machinery
Element or attachment
Design Patent
active
D0446224
CLAIM:
The ornamental design for a digging tooth, as shown and described.
REFERENCES:
patent: 2118872 (1938-05-01), Weimer
patent: 3425117 (1969-02-01), Hill
patent: 3444633 (1969-05-01), Hensley
patent: 3623247 (1971-11-01), Stepe
patent: 4711503 (1987-12-01), Berchem et al.
patent: 4949481 (1990-08-01), Fellner
patent: 5018283 (1991-05-01), Fellner
patent: 5802752 (1998-09-01), Quarfordt
H&L Tooth Company
Harbst John W.
Morris Sandra L.
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