Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 7,501
Joint for Compasses for Measuring
T. Alteneder - Philadelphia, PA

USPTO Classifications:
24/486, 33/558.5

Tool Categories:
layout tools : compasses


Not known to have been produced

Edward Everett
T. C. Donn

Patent Dates:
Granted: Jul. 16, 1850

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
This patent covers an improved joint such as would be used on compasses or dividers. The design allows for wear in the joint by providing an external yoke with screws to adjust the tension.

This patent was granted to T. Alteneder, a well-known manufacturer of drafting tools, but it is not known whether Alteneder ever produced tools using this design.

Copyright © 2002-2019 - DATAMP