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US Patent: 8,849X
Boiler valve
Boiler valves and cam of the steam engine
Patentee:
John Kirkpatrick (exact or similar names) - Baltimore, MD

USPTO Classifications:
251/251

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 29, 1835

Patent Pictures:
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Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.

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