CH321689A - Electrical device in a glass envelope, the head of which is surrounded by a base attached to the head by means of cement - Google Patents

Electrical device in a glass envelope, the head of which is surrounded by a base attached to the head by means of cement

Info

Publication number
CH321689A
CH321689A CH321689DA CH321689A CH 321689 A CH321689 A CH 321689A CH 321689D A CH321689D A CH 321689DA CH 321689 A CH321689 A CH 321689A
Authority
CH
Switzerland
Prior art keywords
head
cement
surrounded
electrical device
glass envelope
Prior art date
Application number
Other languages
German (de)
Inventor
Wildeboer Marinus
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH321689A publication Critical patent/CH321689A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
CH321689D 1953-05-04 1954-05-03 Electrical device in a glass envelope, the head of which is surrounded by a base attached to the head by means of cement CH321689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL321689X 1953-05-04

Publications (1)

Publication Number Publication Date
CH321689A true CH321689A (en) 1957-05-15

Family

ID=19784010

Family Applications (1)

Application Number Title Priority Date Filing Date
CH321689D CH321689A (en) 1953-05-04 1954-05-03 Electrical device in a glass envelope, the head of which is surrounded by a base attached to the head by means of cement

Country Status (7)

Country Link
US (1) US2799421A (en)
BE (1) BE527383A (en)
CH (1) CH321689A (en)
DE (1) DE934418C (en)
FR (1) FR1100469A (en)
GB (1) GB751537A (en)
NL (2) NL81612C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960962A (en) * 1982-09-30 1984-04-07 株式会社東芝 Tubular bulb
NL8400409A (en) * 1984-02-09 1985-09-02 Philips Nv ELECTLESS LOW PRESSURE GAS DISCHARGE LAMP.
US4881601A (en) * 1988-05-18 1989-11-21 Smith Wayne D Apparatus for deployment of aerial-drop units
US7396142B2 (en) * 2005-03-25 2008-07-08 Five Star Import Group, L.L.C. LED light bulb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US599002A (en) * 1898-02-15 Incandescent lamp
US530895A (en) * 1894-12-11 Incandescent electric lamp
US708653A (en) * 1901-10-17 1902-09-09 American Electric Company Incandescent electric lamp.
US2028884A (en) * 1934-06-21 1936-01-28 Hygrade Sylvanis Corp Lamp, tube, and similar devices

Also Published As

Publication number Publication date
NL81612C (en)
BE527383A (en)
NL178076B (en)
DE934418C (en) 1955-10-20
FR1100469A (en) 1955-09-20
US2799421A (en) 1957-07-16
GB751537A (en) 1956-06-27

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