User Tools

Site Tools


x-patents:x-4753

Patent X-4753: 1827-05-15, Valve cock for hydrants

X Number Date Inventor City Title Status
X-4753 1827-05-15 Benjamin Stancliff (Standcliffe) Philadelphia, PA Valve cock for hydrants Missing

Comments

Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

Information Sources

(To be filled in.)

x-patents/x-4753.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki