Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 303,060
Screw Cutting Die
Albert J. Smart - Greenfield, MA

USPTO Classifications:

Tool Categories:
industrial tools : taps and dies

Wiley & Russell Manufacturing Co. - Greenfield, MA

Wiley & Russell Manufacturing Co. - Greenfield, MA

F. W. Howard
Edw. H. Downs
John Putnam
Joseph H. Nutting

Patent Dates:
Applied: Jun. 01, 1883
Granted: Aug. 05, 1884

Patent Pictures: [ 1 | 2 ]
Albert J. Smart patent August 5, 1884
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Wiley & Russell Manufacturing Co.
The taper-headed screws adjust the size; the four side screws hold the cutters firmly in the holder. Marketed as the Wiley & Russell LIGHTNING SCREW PLATE.

The taper-headed screws are carried over from the J.J. Grant October 21, 1871 patent (no. 120,266). This patent was improved by Smart's Oct. 21, 1884 patent (no. 306,783).

Copyright © 2002-2018 - DATAMP