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US Patent: RE5,721
Improvement in machines for cutting irregular forms
Patentee:
Jonathan P. Grosvenor (exact or similar names) - Lowell, MA

USPTO Classifications:
144/153, 144/231

Tool Categories:
woodworking machines : wood lathes

Assignees:
None

Manufacturer:
Jonathan P. Grosvenor - Lowell, MA

Witnesses:
James S. Grinnell
Charles Rogers

Patent Dates:
Applied: Dec. 16, 1872
Granted: Jan. 06, 1874

Reissue Information:
Reissue of 20,345 (May 25, 1858)

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. P. Grosvenor.
Description:
Extended 7 years.

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