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US Patent: 909
Hydrant
Improvement in Fire-Plugs and Hydrants to Prevent the Water From Freezing in Them
Patentee:
John M. Jorden - Baltimore, MD

USPTO Classifications:
137/291

Tool Categories:
wrenches : auxiliary wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William P. Howell, Jr.
F. T. Townsend

Patent Dates:
Granted: Sep. 08, 1838

Patent Pictures:
John M. Jorden Pat. September 8, 1938
USPTO pdf tiff
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Description:
The main point of the patent is a wasting valve below the frost line. The patent includes a "T" handle extended shank wrench with the jaw opening at right angles to the shank. (Figure #4 in the drawing.) The wrench is to remove and replace the valve stem from the valve body.

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