FR630354A - Improvements to incandescent electric lamps - Google Patents

Improvements to incandescent electric lamps

Info

Publication number
FR630354A
FR630354A FR630354DA FR630354A FR 630354 A FR630354 A FR 630354A FR 630354D A FR630354D A FR 630354DA FR 630354 A FR630354 A FR 630354A
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)
Inventor
Bruno Claus
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 filed Critical
Application granted granted Critical
Publication of FR630354A publication Critical patent/FR630354A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K11/00Lamps having an incandescent body which is not conductively heated, e.g. heated inductively, heated by electronic discharge
FR630354D 1925-03-09 1926-07-12 Improvements to incandescent electric lamps Expired FR630354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1804049X 1925-03-09

Publications (1)

Publication Number Publication Date
FR630354A true FR630354A (en) 1927-12-01

Family

ID=7744025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR630354D Expired FR630354A (en) 1925-03-09 1926-07-12 Improvements to incandescent electric lamps

Country Status (3)

Country Link
US (1) US1804049A (en)
FR (1) FR630354A (en)
GB (1) GB253826A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416853A (en) * 1942-10-19 1947-03-04 Emanuel C Smally Incandescent lamp
US2553434A (en) * 1947-09-03 1951-05-15 Hartford Nat Bank & Trust Co Optical lamp with centering means
US2573775A (en) * 1948-02-13 1951-11-06 Toronto Electric Commissioners Incandescent lamp for asymmetrical light distribution
US2636143A (en) * 1949-05-21 1953-04-21 Percival H Mitchell Reflecting surface for incandescent lamps
US2879425A (en) * 1958-04-28 1959-03-24 Darsie George Headlight
US3089027A (en) * 1959-02-09 1963-05-07 John J Horan Mounting for headlamp
US3015013A (en) * 1960-05-31 1961-12-26 Avco Corp High density radiant heat systems
US3218509A (en) * 1962-10-09 1965-11-16 George P Ploetz Radiant energy source
NL6404941A (en) * 1964-05-05 1965-11-08
GB1202695A (en) * 1966-09-02 1970-08-19 Central Electr Generat Board Improvements in or relating to multi-colour indications
USRE30832E (en) * 1976-08-30 1981-12-22 General Electric Company Ellipsoidal reflector lamp
US4041344A (en) * 1976-08-30 1977-08-09 General Electric Company Ellipsoidal reflector lamp
NL184651C (en) * 1979-02-26 1989-09-18 Philips Nv ELECTRIC LIGHT BULB.
US4803394A (en) * 1987-02-25 1989-02-07 U.S. Philips Corporation Lamp vessel for multiple lamp types
US4788469A (en) * 1987-02-25 1988-11-29 U.S. Philips Corp. Multi-use lamp vessel and an incandescent lamp

Also Published As

Publication number Publication date
US1804049A (en) 1931-05-05
GB253826A (en) 1926-06-24

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