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GB Patent: GB-187,500,061
Charles Parker - Meriden, CT

USPTO Classifications:

Tool Categories:
tool making : making hammers


Not known to have been produced

none listed

Patent Dates:
Granted: Jan. 06, 1875

Patent Pictures:
Charles Parker patent January 6, 1875 - edited from Abridgments of Specifications
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61 in Chronological and Descriptive Index (1875 )
The patent corresponds to Canadian patent CA-3,357 for a technique of casting hammer heads around harder wrought inserts for the head and nail claw. U.S. patent 151,907 describes the process only in terms of the nail claw.

Edward Thomas Hughes was a British patent agent.

Note: Early English patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" interposed to make the number total nine digits). This patent is #61 of the year 1875.

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