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Class Information
Number: 384/4
Name: Bearings > Nonjoint, nonrotating fulcrum bearing > Knife-edge fulcrum > Edges up and down
Description: Subject matter wherein there are plural edges, one of which points toward, and another of which points away, from the center of the earth.

Patents under this class:

Patent Number Title Of Patent Date Issued
5896094 Keyless entry system Apr. 20, 1999
5398652 Knife-edge rocker bearing internal combustion engine Mar. 21, 1995
5381716 Tremolo system for stringed instruments Jan. 17, 1995
4361365 Knife edge bearing system Nov. 30, 1982
4350217 Balance arm for flat weighing machines Sep. 21, 1982

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