Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
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JAMES DOUGLAS PRESCOTT ASHWORT
John Langfield & Co Ltd
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JAMES DOUGLAS PRESCOTT ASHWORT
John Langfield & Co Ltd
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Application filed by JAMES DOUGLAS PRESCOTT ASHWORT, John Langfield & Co LtdfiledCriticalJAMES DOUGLAS PRESCOTT ASHWORT
Application grantedgrantedCritical
Publication of GB190513450ApublicationCriticalpatent/GB190513450A/en
13,450. Langfield & Co., J., and Ashworth, J. D. P. June 29. Lift valves; seats.-A valve for admitting either air or water to one of the tubes a of an air-heating stove is fitted in a valve-chest d, Fig. 2, which is provided with a seat e for the air supply, and also with a seat f for the water supply, the valve g being adapted to both seats.
GB190513450D1905-06-291905-06-29Improvements relating to the Humidifying of Air in Air Heating Stoves.
ExpiredGB190513450A
(en)