FR548955A - Electric lamp with diffusing bulb and method for making the bulb - Google Patents

Electric lamp with diffusing bulb and method for making the bulb

Info

Publication number
FR548955A
FR548955A FR548955DA FR548955A FR 548955 A FR548955 A FR 548955A FR 548955D A FR548955D A FR 548955DA FR 548955 A FR548955 A FR 548955A
Authority
FR
France
Prior art keywords
bulb
making
diffusing
electric lamp
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
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 FR548955A publication Critical patent/FR548955A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/04—Vessels or containers characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
FR548955D 1922-02-28 1922-03-15 Electric lamp with diffusing bulb and method for making the bulb Expired FR548955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL194250X 1922-02-28

Publications (1)

Publication Number Publication Date
FR548955A true FR548955A (en) 1923-01-30

Family

ID=19778032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548955D Expired FR548955A (en) 1922-02-28 1922-03-15 Electric lamp with diffusing bulb and method for making the bulb

Country Status (4)

Country Link
US (1) US1610062A (en)
DE (1) DE409616C (en)
FR (1) FR548955A (en)
GB (1) GB194250A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810660A (en) * 1954-02-01 1957-10-22 Westinghouse Electric Corp Diffusing reflecting coating and method of preparing same
AU2010225415A1 (en) 2009-03-16 2011-10-06 Gabae Technologies, Llc Apparatus, systems and methods for producing particles using rotating capillaries

Also Published As

Publication number Publication date
GB194250A (en) 1923-07-23
US1610062A (en) 1926-12-07
DE409616C (en) 1925-02-09

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