US Patent: 2,590,992 - Saw sharpener


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US Patent: 2,590,992

Saw sharpener

Patentee:

James McEwan (exact or similar names) - San Jose, CA

USPTO Classifications:

451/363, 451/456, 76/40

Tool Categories:

metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:

None

Manufacturer:

Max Mfg. Co. - San Jose, CA

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 10, 1947
Granted:	Apr. 01, 1952

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Max Mfg. Co.

Description:

Patent 2,798,384 says, "A known saw grinding machine, the Acme Circular Saw Sharpener, made by Max Mfg. Co. of San Jose, Calif., and of the type generally as shown in Patent No. 2,590,992..." An ad from Max Mfg. Co. in the September 1952 Popular Mechanics features this sharpening machine.