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US Patent: 465,664
Rule
Patentee:
Michael Hogarty (exact or similar names) - Salisbury, CT

USPTO Classifications:
33/458, 33/465, 403/113

Tool Categories:
rules : folding rules

Assignees:
None

Manufacturer:
Chapin Stephens Co. - Pine Meadow, CT
H. Chapin's Son - Pine Meadow, CT

Witnesses:
H. J. Bissell
E. E. Bartram

Patent Dates:
Applied: Jun. 27, 1891
Granted: Dec. 22, 1891

Patent Pictures:
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Report data errors or omissions to steward Russ Allen.
Description:
Laminated construction for rules. Specifically mentions ivory and the use of wooden core to overcome problems with bound ivory rules.

Patent date seen on boxwood rules marked Chapin-Stephens (No 62) and H. Chapin's Son (No 14).

However, the marked boxwood rules seen to date do not appear to use laminated construction and rightfully should not be marked.

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