US Patent: 71,986
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| Improvement in the Manufacture of Tack Hammers
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Patentee:
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| Thomas A. Conklin (exact or similar names) - New Britain, CT |
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Patent Dates:
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| Granted: |
Dec. 10, 1867 |
| Reissue Information: |
| Reissued as RE3,308 (Feb. 23, 1869) |
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Russ Allen.
"Vintage Machinery" entry for The Stanley Works
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Description: |
| One piece casting with the handle hollowed with a large surface but with little material and coated to give it a rust proof surface. The casting is treated, "bit" with acid and then tinned or japanned.
Incorporated by Stanley as their No 4 Improved Tack Hammer, No 5 Saddler's Hammer, No 6 Tack Hammer and No 12 Tack Hammer.
A known example of the No 12 style is marked with just this patent & R. Boeklen's Aug. 28, 1860 magnetic head patent 29,760. John Walter indicates that the No 12 was not marked with the Stanley name.
An example of No 4 is marked with this patent date as well as the date of its reissued patent RE3308.
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