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.)
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Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR446934ApublicationCriticalpatent/FR446934A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/22—Exhausting, degassing, filling, or cleaning vessels
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01K—ELECTRIC INCANDESCENT LAMPS
H01K1/00—Details
H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR446934D1912-08-061912-08-06Perfectionnements aux lampes à incandescence
ExpiredFR446934A
(fr)