Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 582,517
Spirit Level
Shaft Level
Patentee:
Stephen H. Bellows - Athol, MA

USPTO Classifications:
33/381, D10/69

Tool Categories:
layout tools : levels : machinist levels

Assignees:
None

Manufacturer:
Standard Tool Co. - Athol, MA

Witnesses:
Albert F. Robbins
Andrew J. Hamilton

Patent Dates:
Applied: Jan. 26, 1897
Granted: May 11, 1897

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Three vial level with "V" bottom and one end that allows a pitch adjustment. Patent claim is for the general construction and the use of the faceplate that secures all three vials.

Copyright © 2002-2017 - DATAMP