Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 723,041
Compass
Improved Compass Joint
Patentee:
Wilhelm Schwarzer - Nuremburg, Germany

USPTO Classifications:
33/558.5

Tool Categories:
layout tools : compasses

Assignees:
Georg Schoenner - Nuremburg, Germany

Manufacturer:
Georg Schoenner - Nuremburg, Germany

Witnesses:
Oscar Bock
Andreas Stich
Ella L. Giles
Otto Brunner

Patent Dates:
Applied: Mar. 13, 1901
Granted: Mar. 17, 1903

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
This compass joint design automatically keeps the handle aligned with the axis of rotation for the compass.

Known examples are marked "Schoenner Germany" and with the patent date

Copyright © 2002-2019 - DATAMP