US Patent: 653,364 - Improvements in Jewelers' Pliers.


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US Patent: 653,364

Pliers
Improvements in Jewelers' Pliers.

Patentee:

Giovanni B. Pittavino (exact or similar names) - New York, NY

USPTO Classifications:

269/223, 30/182, 81/334, 81/353, 81/6

Tool Categories:

pliers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

F. A. Stewart

John Buckler

V. M. Vosler

Patent Dates:
Applied:	Sep. 13, 1899
Granted:	Jul. 10, 1900

Patent Pictures:

Giovanni B. Pittavino patent July 10, 1900

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Description:

The adjusting screw in the handle will "lock" the jaws, enabling the pliers to act as a hand vise. The specifications describe this in terms of the pliers in patent no. 427,220.