Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,402,509
Compasses
Patentee:
Antoni Lysiak - Manchester, MA

USPTO Classifications:
33/558.3

Tool Categories:
layout tools : compasses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 11, 1921
Granted: Jan. 03, 1922

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
This is a strange design, featuring two compasses hinged at the top. This allows four different settings to be maintained with one tool, but it seems like it would be very difficult to set accurately.

Copyright © 2002-2017 - DATAMP