US Patent: 390,931 - Sharpening-machine


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


Quick search:	Patent number:	Patent Date:

US Patent: 390,931

Sharpening-machine

Patentee:

Baxter D. Whitney (exact or similar names) - Winchendon, MA

USPTO Classifications:

451/199, 451/200, 451/367, 451/65

Tool Categories:

industrial machines : industrial machine mechanisms : industrial machine gearing

Assignees:

None

Manufacturer:

Baxter D. Whitney & Son, Inc. - Winchendon, MA

Witnesses:

Samuel A. Parker

William M. Whitney

Patent Dates:
Applied:	Jan. 30, 1886
Granted:	Oct. 09, 1888

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Baxter D. Whitney & Son, Inc.

Description:

This patent is an improvement on patent 147,536. It "relates to certain improvements in sharpening-machines used for the purpose of producing a more perfect scraper-edge..." and uses a diamond burnisher.