Hydraulic breaker

Details Hydraulic breaker Hydraulic breaker

2000-11-30

2002-05-21

Siegel, Mitchell (Department: 2912)

Machines not elsewhere specified

Agricultural or construction machinery

Drilling, mining, or soil treatment

Design Patent

active

D0457534

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

REFERENCES:
patent: 3792738 (1974-02-01), Mori et al.
patent: 4018291 (1977-04-01), Anderson
patent: 4993500 (1991-02-01), Greene et al.
patent: D326857 (1992-06-01), Ikeda et al.
patent: 5134989 (1992-08-01), Akahane
patent: 6227307 (2001-05-01), Lee
patent: 30-0257669 (2000-03-01), None
patent: 30-0257670 (2000-03-01), None

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