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US Patent: 377,090
Lettering-Block
Draftsmans' Lettering Aid
Patentee:
Job Springer - Augusta, ME

USPTO Classifications:
33/474, 33/563

Tool Categories:
layout tools : special purpose gauges

Assignees:
None

Manufacturer:
Unknown

Witnesses:
J. S. Johnson
J. W. Neal

Patent Dates:
Applied: Feb. 05, 1887
Granted: Jan. 31, 1888

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Description:
This template is designed to lay out lettering on a blueprint or sign. By rotating the tool, one can lay out straight or oblique letters.

Known examples are made of nickel-plated iron, and clearly marked with the patent date.

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