Excavating – Combined or convertible
Reexamination Certificate
2011-04-19
2011-04-19
Pezzuto, Robert E (Department: 3671)
Excavating
Combined or convertible
C414S686000
Reexamination Certificate
active
07926206
ABSTRACT:
An apparatus generally comprising a prime mover; a push frame mounted on the prime mover for pivotal movement about a body transverse axis; a cylinder assembly operatively interconnecting the prime mover and the push frame for pivoting the push frame about such axis; and a boom pivotally mounted on the prime mover for movement about a transverse axis, and extending forwardly, including a base section having a portion supportable on a surface of the prime mover when the boom is in an inoperative position and an extendable section supportable on the coupler when in an extended, operable condition, having a device for detachably connecting the implement to the extendable section.
REFERENCES:
patent: 2301808 (1942-11-01), Mosher
patent: 3587887 (1971-06-01), DeCarli
patent: 3753508 (1973-08-01), Carpenter
patent: 4200423 (1980-04-01), Sornsin
patent: 5120186 (1992-06-01), Jorgenson
patent: 5954471 (1999-09-01), Cullen
patent: 6119377 (2000-09-01), Rubio
Audi AG
Novak Druce & Quigg LLP
Pezzuto Robert E
LandOfFree
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