US Patent: 645,428 - Machine for Milling Angular Toothed Bevel Wheels


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US Patent: 645,428

Machine for Milling Angular Toothed Bevel Wheels

Patentee:

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

USPTO Classifications:

409/43

Tool Categories:

metalworking machines : gear making machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	May 11, 1898
Granted:	Mar. 13, 1900

Patent Pictures:

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Description:

Patented in England, 01 Apr., 1898, #7,819; in Austria, 28 May 1898, #48/3,039; in Hungary, 01 Apr., 1898, #12,590; in Belgium, 29 Mar., 1898, #134,703; in France, certificat d'addition au brevet, 29 Mar., 1898, #268,650; in Switzerland, 09 Apr., 1898, #16,768 and in Italy, 09 Apr. 1898, Reg. Att. Vol.96, #31.