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US Patent: 4,524,514
Combination of A Tool and A Hollow Tool Sectional Handle
David H. Mallalieu - Springfield, MA
Samuel N. Apostola - Southbridge, MA
Douglas C. DeVries - Webster, MA

USPTO Classifications:
16/430, 16/DIG.24, 30/169, 30/344

Tool Categories:
tool handles

Hyde Mfg. Co. - Southbridge, MA

Hyde Mfg. Co. - Southbridge, MA

none listed

Patent Dates:
Applied: Jun. 09, 1983
Granted: Jun. 25, 1985

Patent Pictures:
Patent no. 4,524,514 with HYDE NO. 02080 putty knife
USPTO pdf tiff
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A bladed tool wherein the blade has a tang encompassed by a pair of similar handle halves connected by a threaded fastener located in aligned bores in the two handle halves and projecting into the material of the handle halves in the bores, and a projection and hole construction on the handle halves to align the handle halves during assembly.

U.S. Patent nos. 348,330, 713,231, 941,901, 3,018,497, 3,759,180, and 3,935,787 are cited as relevant prior art along with French patent 543,877 (Sept. 1922)

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