Machines not elsewhere specified – Agricultural or construction machinery – Self-propelled
Design Patent
1999-06-28
2001-02-13
Morris, Sandra L. (Department: 2912)
Machines not elsewhere specified
Agricultural or construction machinery
Self-propelled
Design Patent
active
D0437602
CLAIM:
The ornamental design for a hydraulic excavator, as shown and described.
REFERENCES:
patent: D. 271396 (1983-11-01), Inui
patent: D. 391272 (1998-02-01), Jin et al.
patent: 3902295 (1975-09-01), Yancey
patent: 4069637 (1978-01-01), Braithwaite
patent: 4397481 (1983-08-01), Dion et al.
patent: 5493796 (1996-02-01), Ballew
patent: 5544435 (1996-08-01), Somero
patent: 5590482 (1997-01-01), Peterson et al.
Hiraoka Kazuhiko
Hirata Toichi
Hirose Shingo
Kanahara Masaki
Konomura Yasushi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi Construction Machinery Co. Ltd.
Morris Sandra L.
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