NX Patent: 183,212,051 - Cock to prevent water freezing in pent stocks, &c.


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NX Patent: NX-183,212,051

Cock to prevent water freezing in pent stocks, &c.

Patentee:

Dixwell Lathrop, Jr. (exact or similar names) - Norwich, New London County, CT

USPTO Classifications:

Tool Categories:

water distribution systems : water valves

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Dec. 05, 1832

Patent Pictures:

Report data errors or omissions to steward Joel Havens
X-Patents

Description:

Listed in A List of Patents Issued by the United States, from 1790 to 1847, 1847, pgs. 220 & 487.

NX series patents are pre-July 1836 patents that do not have numbers and are not listed in the X patent series. They have been arbitrarily assigned NX numbers, which consists of the issue date in ISO format followed by a single number to separate multiple patents issued on the same date. This is to allow them to be entered into the Datamp file. These patents are listed in the List of Patents for Inventions and Designs, published in 1847. They are entered here for reference and further research only.