US PATENT SUBCLASS 411 / 401
.~ Elongated head, e.g., hanger bolt, etc.

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

378  DF  EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC. {16}
401.~ Elongated head, e.g., hanger bolt, etc.

DEFINITION

Classification: 411/401

Elongated head, e.g., hanger bolt, etc.:

(under subclass 378) Subject matter wherein the fastening means is provided with a head comprising a generally elongated portion extending transversely of the shank and being adapted to having a smaller dimension of its elongated portion received through a slot in an undercut portion of the slot upon rotating the bolt substantially 90< deg.
SEE OR SEARCH CLASS

248, Supports,

59, for pipe or cable supports vertically adjustable.