US Patent: 645,427 - Machine for Milling Cone Screw Wheels


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 645,427

Machine for Milling Cone Screw Wheels

Patentee:

Euzebiusz Polanowski (exact or similar names) - Lodz, Russia

USPTO Classifications:

409/52

Tool Categories:

metalworking machines : milling machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 21, 1897
Granted:	Mar. 13, 1900

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Description:

Patented in Germany, 07 Oct., 1896, #95,511; in Belgium, 09 Nov., 1896, #124,483; in Hungary, 01 Jul., 1897, #9,881; in Austria, 16 Oct., 1897, #47/4,009; in England, 26 Jun., 1897, #15,351; in France, 10 Jul., 1897, #268,650; in Switzerland,15 Jul., 1897, #14,992 and in Canada, 19 Sept., 1898, #61,209.