Class 411/494 - Pyramidal point

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the piercing end has the shape of
No. of patents: 3
Last issue date: 03/18/2008

Number	Title	Issue Date
7343672	Fastening system for attaching metal studs to metal track A new and improved fastening system for attaching relatively thin-gauge sheet metal members, such as, for example 14-25 gauge sheet metal members, wherein the power output parameters of the power tool are controlled such that when the driver blade member of the powe...	03/18/2008
4708558	Wire fastener A fastener having pointed ends for penetrating a belt. The preferred fastener is a wire hook fastener for joining the ends of belting and it is formed with pointed wedge-shaped ends defined by inclined top surfaces and flat bottom surfaces and inwardly in...	11/24/1987
4122752	Flat fastener for driving into metallic material A fastener apparatus which can be formed by conventional punch press machinery and which is hardened so that the fastener may be driven into metallic structures such as structural steel beams and the like using a conventional hammer or a power operated na...	10/31/1978

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