FR677066A - Improvements to incandescent electric lamps - Google Patents

Improvements to incandescent electric lamps

Info

Publication number
FR677066A
FR677066A FR677066DA FR677066A FR 677066 A FR677066 A FR 677066A FR 677066D A FR677066D A FR 677066DA FR 677066 A FR677066 A FR 677066A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
incandescent
lamps
electric
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
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR677066A publication Critical patent/FR677066A/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
FR677066D 1928-06-04 1929-06-04 Improvements to incandescent electric lamps Expired FR677066A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US282591A US1889598A (en) 1928-06-04 1928-06-04 Incandescent electric lamp

Publications (1)

Publication Number Publication Date
FR677066A true FR677066A (en) 1930-03-03

Family

ID=23082185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677066D Expired FR677066A (en) 1928-06-04 1929-06-04 Improvements to incandescent electric lamps

Country Status (4)

Country Link
US (1) US1889598A (en)
BE (2) BE313010A (en)
FR (1) FR677066A (en)
GB (1) GB313010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465299A1 (en) * 1979-09-13 1981-03-20 Gte Prod Corp MOLYBDENE-TANTAL CONDUCTIVE YARN AND MANUFACTURING METHOD THEREOF

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3346761A (en) * 1965-07-02 1967-10-10 Gen Electric Incandescent lamp with a tungsten filament with tantalum imbedded in the surface to act as a gettering agent
JP5989984B2 (en) 2011-10-27 2016-09-07 スタンレー電気株式会社 Incandescent light bulb
JP5975816B2 (en) * 2012-09-21 2016-08-23 スタンレー電気株式会社 Incandescent light bulb, manufacturing method thereof, and filament

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465299A1 (en) * 1979-09-13 1981-03-20 Gte Prod Corp MOLYBDENE-TANTAL CONDUCTIVE YARN AND MANUFACTURING METHOD THEREOF

Also Published As

Publication number Publication date
US1889598A (en) 1932-11-29
BE313010A (en)
GB313010A (en) 1930-03-13
BE360363A (en)

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