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HENRY-OSMOND BARNARD
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HENRY-OSMOND BARNARD
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Publication of FR19274EpublicationCriticalpatent/FR19274E/en
F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERALĀ ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
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FR19274D1912-02-091914-04-29
Improvements to vacuum cleaners applicable as fireplaces and for other uses
ExpiredFR19274E
(en)