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US Patent: 1,438,432
Pitch Square
Framing Square with Pitch Attachment
Patentee:
John W. Evans (exact or similar names) - Cincinnati, OH

USPTO Classifications:
33/420

Tool Categories:
layout tools : squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 29, 1918
Granted: Dec. 12, 1922

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This framing square offers a secondary arm and reference surfaces to allow it to accurately makr rafters for roofing.

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