US Patent: 49,037 - Improvement in Carpenters' Rules


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US Patent: 49,037

Improvement in Carpenters' Rules

Patentee:

Benjamin G. Martin (exact or similar names) - Philadelphia, PA

USPTO Classifications:

33/341, 33/391, 33/458

Tool Categories:

rules : rule accessories

layout tools : levels

layout tools : bevels

Assignees:

Benjamin G. Martin - Philadelphia, PA

Thos. M. Davis - Philadelphia, PA

LLoyd H. Walton - Philadelphia, PA

Watson Sanford - Philadelphia, PA

Manufacturer:

Not known to have been produced

Witnesses:

Benj. Morison

Thomas M. Revis

Patent Dates:
Granted:	Jul. 25, 1865

Patent Pictures:

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Description:

Utilizes an ordinary carpenter rule with a pointed swinging arm to serve as a plumb level along with an index and pointer to determine the angle of inclination providing the carpenter with a rule, level, square, and bevel at minimum cost.