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US Patent: 2,016,483
Housing and brake for steel rules
Patentee:
Frederick O. Carlson (exact or similar names) - New Yorkny,

USPTO Classifications:
33/133

Tool Categories:
rules : tape measures

Assignees:
Master Rule Mfg. Co. - New York, NY

Manufacturer:
Master Rule Mfg. Co. - New York, NY

Witnesses:
Unknown
Patent Dates:
Applied: May 23, 1933
Granted: Oct. 08, 1935

Patent Pictures:
Patent 2,016,483 - edited from PATENT GAZETTE
USPTO (New site tip)
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Description:
Case design and friction "lock" for steel tape measure.

Appears in ca. 1940 ads as Master Rule Co. "Streamline" with "lever lock."

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