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US Patent: 1,438,235
Folding Rule
Joint for Zig-Zag Folding Rules
Patentees:
Walter H. Hart (exact or similar names) - New Britain, CT
David Gould (exact or similar names) - New Britain, CT

USPTO Classifications:
33/465, 33/495, 403/101

Tool Categories:
rules : folding rules : folding rule joints

Assignees:
The Stanley Works - New Britain, CT

Manufacturer:
The Stanley Works - New Britain, CT

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 12, 1921
Granted: Dec. 12, 1922

Patent Pictures:
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Description:
One of three folding rule joint patents issued to Stanley on this date (see also 1,438,234 and 1,438,236). This patent date is marked on some zig-zag rules, but it is not clear exactly which patent(s) are used since the three patents are all very similar.

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