US Patent: 227,508 - Screw-Stock


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US Patent: 227,508

Screw-Stock

Patentee:

Percival Everitt (exact or similar names) - Great Ryburgh, England

USPTO Classifications:

408/173, 470/207

Tool Categories:

wrenches : tap wrenches and die stocks

Assignees:

Percival Everitt - Great Ryburgh, England

Frank Wheeler and Co. - London, England

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Sep. 03, 1879
Granted:	May 11, 1880

Patent Pictures:

Percival Everitt patent May 11, 1880

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Description:

The adjustment is accomplished by a cam-lever; it is a revision and improvement of Everitt's November 19, 1878 patent (no. 210,106). The specifications note it had received a British patent November 29, 1878.