Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Thread or shank structure
Reexamination Certificate
2006-05-09
2006-05-09
Mitchell, Katherine (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Thread or shank structure
C411S413000, C411S308000, C411S311000, C411S424000
Reexamination Certificate
active
07040850
ABSTRACT:
A metal fastener for frangible material has a threaded shank, a head proximate one end of the shank and a tip at the opposite end. The fastener has a coarse pitch and relatively large ratio of major to minor diameters suited for securing the fastener into frangible material such as drywall or masonry.
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Mitchell Katherine
Morgan Lewis & Bockius
Power Products III, L.L.C.
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