Tools – Wrench – screwdriver – or driver therefor – Stud-removal and implacement
Reexamination Certificate
2011-07-05
2011-07-05
Shakeri, Hadi (Department: 3727)
Tools
Wrench, screwdriver, or driver therefor
Stud-removal and implacement
C081S441000
Reexamination Certificate
active
07971508
ABSTRACT:
A device to extract a fastener from a workpiece. The device includes a shaft having first and second end portions and, a cutting end tool adapted to engage and bore into the fastener as the shaft is rotated, a drill bit portion proximal to the cutting end tool and adapted to engage and bore into the fastener, and a socket disposed about the shaft and a collet collar disposed about the socket.
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