Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2006-03-28
2006-03-28
Meislin, Debra S (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S057150, C081S057200, C081S057180, C166S077510, C166S085100
Reexamination Certificate
active
07017450
ABSTRACT:
A method for constructing a power tong jaw, including the steps of: (1) providing a substantially flat upper plate and a substantially flat lower plate; (2) providing at least two separately formed substantially elongated column members, at least one of the column members having a die insert groove formed therein; and (3) connecting the upper plate to the lower plate using the column members.
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patent: 6070500 (2000-06-01), Dlask et al.
patent: 2002/0108748 (2002-08-01), Keyes
patent: WO 03/093630 (2003-11-01), None
Jones, Walker, Waechter, Poitevent, Carrere, & Denegre, L.L
Meislin Debra S
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