US Patent: D43,192 - Design for a Level


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US Patent: D43,192

Design for a Level

Patentee:

William Disston (exact or similar names) - Philadelphia, PA

USPTO Classifications:

D10/69

Tool Categories:

layout tools : levels : wooden levels

Assignees:

Henry Disston & Sons, Inc. - Philadelphia, PA

Manufacturer:

Not known to have been produced

Witnesses:

E. B. Roberts

W. C. Burkholder

Patent Dates:
Applied:	Jun. 17, 1912
Granted:	Oct. 29, 1912

Patent Pictures:

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"Vintage Machinery" entry for Henry Disston & Sons

Description:

Addition of raised rib on side for handholds. Companion patent with D43,191 and most likely not produced as material usage would be much higher than D43,191 if the item was to be made out of wood rather than a plastic/composite material. Patent term is for 14 years.