Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Thread or shank structure
Reexamination Certificate
2007-08-14
2007-08-14
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Thread or shank structure
C411S412000, C411S426000
Reexamination Certificate
active
11315985
ABSTRACT:
An improved dual threaded fastener for composite materials having a head and a shaft. The head is affixed to one end of the shaft and the shaft includes a point at its other end. The shaft includes an upper threaded portion and an upper threaded portion. The diameter of the shaft within the lower threaded portion is greater than the diameter of the shaft within the upper threaded portion. In this manner, as the fastener is rotated within the workpiece, producing remnants may be stored in the area surrounding the upper threaded portion.
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Fulbright & Jaworski LLP
Prime Source Building Products, Inc.
Saether Flemming
LandOfFree
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