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Class Information
Number: 470/13
Name: Threaded, headed fastener, or washer making: process and apparatus > Process > Making externally threaded fastener, e.g., screw or bolt > Bolt > Having specific configuration > U-frame type
Description: Subject matter wherein the fastener comprises a plural shanked structure formed in the shape of the letter U.

Patents under this class:

Patent Number Title Of Patent Date Issued
6852181 Flattened U-bolt and method Feb. 8, 2005
6077014 Reliable bolt and clip restrainer assembly Jun. 20, 2000
4835805 Production of threaded metal rods for making U-bolts Jun. 6, 1989
4748707 Production of threaded metal rods for making U-bolts Jun. 7, 1988
4654912 Production of threaded metal rods for making U-bolts Apr. 7, 1987
4087875 Apparatus for forming and threading stock May. 9, 1978

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