Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 50,748
Pipe Wrench
Improved Tool for Turning Gas-Pipe, etc.
Patentees:
Daniel Chapman Stillson (exact or similar names) - Charlestown, MA
John C. Chapman (exact or similar names) - Charlestown, MA

USPTO Classifications:
81/164, 81/97, 81/DIG6

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. J. Cambridge
P. E. Teschemacher

Patent Dates:
Granted: Oct. 31, 1865

Patent Pictures:
Stillson & Chapman Pat. Oct. 31, 1865
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
A carrier block with an eccentric movable grip is adjusted by turning the threaded handle. Springs hold the grip in operational position.

The frame and handle look like Stanwood's pipe cutter based on patent no. 23,792.

Copyright © 2002-2024 - DATAMP