US Patent: 950,782
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Expansible bit
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Patentee:
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Archer B. Jennings (exact or similar names) - Wallingford, CT |
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Patent Dates:
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Applied: |
Aug. 14, 1909 |
Granted: |
Mar. 01, 1910 |
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Jeff Joslin C. E. Jennings & Co. Price List No. 13
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Description: |
The patent dates for this patent plus patents 296,242 and 807,956 were seen on a No. 1 "Arrow Head" brand adjustable auger bit from C. A. Jennings. A 1913 catalog from C. E. Jennings & Co., Price List No. 13, shows their No. 1 auger bit on page 6 (see link). Five different cutters were available that allow the bit to drill holes spanning 5/8 inch to 4 inches. This catalog indicates that their head office was at 71-73 Murray Street, New York, NY, and they had factories in Yalesville and New Haven in Connecticut and Port Jervis in New York. |
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