FR460913A - Process for releasing gases or vapors out of chemical compounds, in electric incandescent lamps - Google Patents

Process for releasing gases or vapors out of chemical compounds, in electric incandescent lamps

Info

Publication number
FR460913A
FR460913A FR460913DA FR460913A FR 460913 A FR460913 A FR 460913A FR 460913D A FR460913D A FR 460913DA FR 460913 A FR460913 A FR 460913A
Authority
FR
France
Prior art keywords
chemical compounds
incandescent lamps
electric incandescent
releasing gases
vapors out
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR460913A publication Critical patent/FR460913A/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
FR460913D 1912-08-02 1913-07-31 Process for releasing gases or vapors out of chemical compounds, in electric incandescent lamps Expired FR460913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE270795T 1912-08-02

Publications (1)

Publication Number Publication Date
FR460913A true FR460913A (en) 1913-12-15

Family

ID=34354155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR460913D Expired FR460913A (en) 1912-08-02 1913-07-31 Process for releasing gases or vapors out of chemical compounds, in electric incandescent lamps

Country Status (4)

Country Link
DE (1) DE270795C (en)
FR (1) FR460913A (en)
GB (1) GB191317416A (en)
NL (1) NL1684C (en)

Also Published As

Publication number Publication date
NL1684C (en)
DE270795C (en)
GB191317416A (en) 1914-02-26

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