FR471379A - Perfectionnements aux lampes à incandescence - Google Patents

Perfectionnements aux lampes à incandescence

Info

Publication number
FR471379A
FR471379A FR471379A FR471379DA FR471379A FR 471379 A FR471379 A FR 471379A FR 471379 A FR471379 A FR 471379A FR 471379D A FR471379D A FR 471379DA FR 471379 A FR471379 A FR 471379A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
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
FR471379A
Other languages
English (en)
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 FR471379A publication Critical patent/FR471379A/fr
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
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
FR471379A 1913-04-30 1914-04-27 Perfectionnements aux lampes à incandescence Expired FR471379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US471379XA 1913-04-30 1913-04-30

Publications (1)

Publication Number Publication Date
FR471379A true FR471379A (fr) 1914-10-24

Family

ID=32578924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR471379A Expired FR471379A (fr) 1913-04-30 1914-04-27 Perfectionnements aux lampes à incandescence

Country Status (3)

Country Link
DE (1) DE285003C (fr)
FR (1) FR471379A (fr)
GB (1) GB191318448A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865282A (en) * 1996-02-28 1999-02-02 Alusuisse Technology & Management Ltd. System comprising at least two conductor rails joined by an electrical conductor

Also Published As

Publication number Publication date
DE285003C (fr)
GB191318448A (en) 1914-08-13

Similar Documents

Publication Publication Date Title
FR458877A (fr) Perfectionnements aux filaments de lampes à incandescence
FR482720A (fr) Perfectionnements aux lampes à incandescence
FR471379A (fr) Perfectionnements aux lampes à incandescence
FR20377E (fr) Perfectionnements aux lampes à incandescence
FR463093A (fr) Perfectionnements aux lampes à incandescence
FR469368A (fr) Perfectionnements aux lampes à incandescence
FR458876A (fr) Perfectionnements aux lampes à incandescence
FR20104E (fr) Perfectionnements aux lampes à incandescence
FR477955A (fr) Perfectionnements aux lampes à incandescence
FR588948A (fr) Perfectionnements aux lampes à incandescence
FR449795A (fr) Lampes à incandescence
FR434540A (fr) Perfectionnements aux lampes électriques à incandescence
FR452473A (fr) Perfectionnements aux lampes à incandescence
FR452472A (fr) Perfectionnements aux lampes à incandescence
FR446934A (fr) Perfectionnements aux lampes à incandescence
FR474519A (fr) Perfectionnements aux lampes électriques à incandescence
FR470744A (fr) Perfectionnements relatifs aux lampes électriques à incandescence
FR485079A (fr) Perfectionnements aux lampes à incandescence
FR468533A (fr) Perfectionnements aux lampes électriques à incandescence
FR467221A (fr) Perfectionnements aux lampes électriques à incandescence
FR456414A (fr) Perfectionnements aux lampes électriques à incandescence
FR453872A (fr) Perfectionnements aux lampes à incandescence électriques
FR461340A (fr) Lanterne pour lampes à incandescence
FR18112E (fr) Perfectionnements aux culots de lampes à incandescence
FR445947A (fr) Perfectionnements aux culots de lampes à incandescence