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US Patent: RE3,852
Improvement in Wrenches
Lucius Jordan - Southington, CT
Leander E. Smith - Southington, CT

USPTO Classifications:

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : nut wrenches


Collins & Co. - Collinsville, CT

Oliver F. Perry
E. H. Sears

Patent Dates:
Granted: Feb. 22, 1870

Reissue Information:
Reissue of 50,364 (Oct. 10, 1865)
Reissued as RE5,294 (Feb. 25, 1873)

Patent Pictures:
Jordan and Smith Pat. Reissue Feb. 22, 1870
USPTO pdf tiff
Google Patents
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Renewal rebuffed in 1872 (google / books )
Beginning of Supreme Court Decision Collins Company v. Loring Coes et. al
The "strain" of a monkey wrench adjusting screw is transferred to the main bar by a "step" held solid to the bar by a nut. One effort to further renew this patent was rebuffed in 1872. (see the first link)

This patent was the subject of protracted litigation between the Collins Company, Loring Coes, and A.G. Coes & Co. In March 1889 this patent was found void for want of novelty by the U.S. Supreme Court. (Sept. 2009: Collins Company v. Loring Coes et. al. -- has been digitized by Google/Books -- see second link )

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