Hydraulic rock breaker

Details Hydraulic rock breaker Hydraulic rock breaker

2007-07-31

2007-07-31

Davis, Antoine D. (Department: 2915)

Machines not elsewhere specified

Agricultural or construction machinery

Drilling, mining, or soil treatment

Design Patent

active

29224003

CLAIM:
The ornamental design for a hydraulic rock breaker, as shown and described.

REFERENCES:
patent: 6119795 (2000-09-01), Lee
patent: D457534 (2002-05-01), Kim
patent: 6732814 (2004-05-01), Heinonen et al.
patent: 2003/0075346 (2003-04-01), Heinonen et al.
patent: 2004/0026098 (2004-02-01), Rodert

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