US Patent: RE10,021 - Pipe-Cutter


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US Patent: RE10,021

Pipe-Cutter

Patentee:

Andrew Saunders (exact or similar names) - Yonkers, NY

USPTO Classifications:

30/102

Tool Categories:

trade specific : plumber

specialty tools : pipe cutters

Assignees:

D. Saunders' Sons - Yonkers, NY

Manufacturer:

D. Saunders' Sons - Yonkers, NY

Witnesses:

Alex. Saunders

Ralph E. Prime

Patent Dates:
Applied:	Jan. 10, 1881
Granted:	Jan. 31, 1882

Reissue Information:
Reissue of 234,689 (Nov. 23, 1880)

Patent Pictures: [ 1 | 2 ]

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Saunders et al v. Allen (1894)

Description:

Known examples includes both the original and re-issue dates.

In a lawsuit (Saunders et al v. Allen) decided in 1894, the 2nd claim in this patent was found to be void, because prior art [including patent nos.52,715 (Howarth), 65,066 (Foster) and 67,530 (Getty)] had already employed the components claimed.