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US Patent: 1,457,570
Tool Handle and the Like
Patentee:
Edgar C. Guthard (exact or similar names) - Chicago, IL

USPTO Classifications:
439/817, 81/177.5

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Edgar C. Guthard Co. - Chicago, IL

Witnesses:
C. S. Butler
Frances K. Gillespie
P. J. Guthmann

Patent Dates:
Applied: Oct. 25, 1920
Granted: Jun. 05, 1923

Patent Pictures:
Patent no. 1,457,570 (edited drawing)
USPTO (New site tip)
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Description:
Spring ball retainer for rod handle; the underlying tools are two "socket drivers" in the BILLMONT MASTER WRENCH line.

The form in Fig. 1 may have been used in the "JUNIOR" with sliding "T" handle. See RE15,093 for the Angular Socket Wrench that used the form shown in Fig. 2.

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