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US Patent: 2,392,823
Broach
Patentee:
Francis J. Lapointe (exact or similar names) - Ann Arbor, Washtenaw County, MI

USPTO Classifications:
407/17

Tool Categories:
metalworking machines : broaching machines : broaches

Assignees:
American Broach & Machine Co. - Ann Arbor, Washtenaw County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 10, 1944
Granted: Jan. 15, 1946

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Broach & Machine Co.
Description:
Claim:

This invention relates to the art of broaching, and it is particularly concerned with a broach comprising a body with multiple cutters mounted thereon.

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