FR462513A - Tungsten Filament Incandescent Lamp - Google Patents

Tungsten Filament Incandescent Lamp

Info

Publication number
FR462513A
FR462513A FR462513A FR462513DA FR462513A FR 462513 A FR462513 A FR 462513A FR 462513 A FR462513 A FR 462513A FR 462513D A FR462513D A FR 462513DA FR 462513 A FR462513 A FR 462513A
Authority
FR
France
Prior art keywords
incandescent lamp
tungsten filament
filament incandescent
tungsten
lamp
Prior art date
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
Application number
FR462513A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR462513A publication Critical patent/FR462513A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
FR462513A 1913-09-08 1913-09-13 Tungsten Filament Incandescent Lamp Expired FR462513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191401252XA 1913-09-08 1913-09-08

Publications (1)

Publication Number Publication Date
FR462513A true FR462513A (en) 1914-01-29

Family

ID=32597389

Family Applications (2)

Application Number Title Priority Date Filing Date
FR462513A Expired FR462513A (en) 1913-09-08 1913-09-13 Tungsten Filament Incandescent Lamp
FR482720A Expired FR482720A (en) 1913-09-08 1914-08-22 Incandescent lamp improvements

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR482720A Expired FR482720A (en) 1913-09-08 1914-08-22 Incandescent lamp improvements

Country Status (4)

Country Link
DE (3) DE292567C (en)
FR (2) FR462513A (en)
GB (1) GB191401252A (en)
NL (1) NL1842C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3436597A1 (en) * 1984-10-05 1986-04-10 Max Planck Gesellschaft OXIDIC BODY WITH IONIC AND ELECTRONIC CONDUCTIVITY
DE4234332A1 (en) * 1992-10-12 1994-04-14 Heidelberger Druckmasch Ag Clamping device for attaching a flexible printing form to the outer surface of a cylinder

Also Published As

Publication number Publication date
DE290626C (en)
DE273963C (en)
GB191401252A (en) 1914-08-27
DE292567C (en)
NL1842C (en)
FR482720A (en) 1917-04-20

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