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US Patent: 563,277
Extensible Ruler
Patentees:
Charles Edwin Jewell (exact or similar names) - Seneca Falls, Seneca County, NY
Major Romeyn Jewell (exact or similar names) - Seneca Falls, Seneca County, NY

USPTO Classifications:
33/809

Tool Categories:
rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. A. Ganoung
Jennie Ella Jewell
John M. Deemer
C. Gerst

Patent Dates:
Applied: Apr. 13, 1895
Granted: Jul. 07, 1896

Patent Pictures:
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Description:
Edgar Tate & Co. - patent attorneys

This invention relates to rulers or measuring-sticks, and the object thereof is to provide a scaled ruler having an adjustable sliding portion, the construction and arrangement being such that while the sliding part is not scaled it still enables us to measure any distance up to twice the length of the ruler proper, which advantages, together with others, we secure by means of the construction described in the following specification, in which Figure 1 represents our improved ruler with the slide partially extended.

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