FR623708A - Incandescent electric lamps - Google Patents

Incandescent electric lamps

Info

Publication number
FR623708A
FR623708A FR623708DA FR623708A FR 623708 A FR623708 A FR 623708A FR 623708D A FR623708D A FR 623708DA FR 623708 A FR623708 A FR 623708A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR623708A publication Critical patent/FR623708A/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
FR623708D 1925-12-12 1926-10-26 Incandescent electric lamps Expired FR623708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1648677X 1925-12-12

Publications (1)

Publication Number Publication Date
FR623708A true FR623708A (en) 1927-06-29

Family

ID=19872914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623708D Expired FR623708A (en) 1925-12-12 1926-10-26 Incandescent electric lamps

Country Status (5)

Country Link
US (1) US1648677A (en)
BE (1) BE337091A (en)
DE (1) DE464737C (en)
FR (1) FR623708A (en)
NL (1) NL17743C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923424A (en) * 1988-02-09 1990-05-08 Gte Products Corporation Incandescent lamps including a combined getter
US4898558A (en) * 1988-02-09 1990-02-06 Gte Products Corporation Getter for incandescent lamps
US4810221A (en) * 1988-02-09 1989-03-07 Gte Products Corporation Method for gettering incandescent lamps
US4927398A (en) * 1988-02-09 1990-05-22 Gte Products Corporation Incandescent lamps including a combined getter

Also Published As

Publication number Publication date
NL17743C (en)
BE337091A (en)
DE464737C (en) 1928-08-24
US1648677A (en) 1927-11-08

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