Class 411/219 - And includes a portion adapted to engage a substantial part of the periphery of the bolt

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the member includes a portion which is circular
No. of patents: 3
Last issue date: 04/24/2007

Number	Title	Issue Date
7207760	Washer and fastener provided with a washer A washer has a body having an axis and provided with a first face surface located at one axial side and adapted to cooperate with a nut, a second face surface located at an opposite axial side and adapted to cooperate with an object to be assembled or disassembled, ...	04/24/2007
7125213	Washer, fastener provided with a washer, method of and power tool for fastening objects A washer has a body having an axis and provided with a first bearing face surface located at one axial side and adapted to cooperate with a nut, a second bearing face surface located at an opposite axial side and adapted to cooperate with an object, at least one thi...	10/24/2006
6082837	Modular display system of interlocking components A modular display system of interlocking components, and more particularly, a modular cubic display frame, comprising two sets of four mitered frame members, the two sets defining opposing rectangular end planes, and a set of longitudinal frame members ex...	07/04/2000

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