CA Patent: 44,446 - Tool for cutting down screw-threads


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CA Patent: CA-44,446

Tool for cutting down screw-threads

Patentee:

Clinton Allen Higbee (exact or similar names) - Philadelphia, PA

USPTO Classifications:

Tool Categories:

metalworking machines : metal threading machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Oct. 11, 1893

Patent Pictures:

CIPO Data
Report data errors or omissions to steward Jeff Joslin

Description:

This is a tool to trim the start of a screw-thread in accordance with the inventor's patent 447,775. This is the Canadian equivalent of US patent 501,942.