FR26773E - Alternating current electric lighting installation - Google Patents

Alternating current electric lighting installation

Info

Publication number: FR26773E
Authority: FR; France
Prior art keywords: alternating current; current electric; electric lighting; lighting installation; installation
Prior art date: 1919-12-05
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

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.)

1919-12-05

Filing date

1922-08-28

Publication date

1924-03-15

1922-08-28 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1924-03-15 Application granted granted Critical

1924-03-15 Publication of FR26773E publication Critical patent/FR26773E/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp

FR26773D 1919-12-05 1922-08-28 Alternating current electric lighting installation Expired FR26773E (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL13504A NL6821C (en)	1919-12-05	1919-12-05
NL20226A NL12041C (en)	1919-12-05	1921-08-30

Publications (1)

Publication Number	Publication Date
FR26773E true FR26773E (en)	1924-03-15

Family

ID=26643472

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR526945D Expired FR526945A (en)	1919-12-05	1920-11-08	Alternating current electric lighting installation
FR26773D Expired FR26773E (en)	1919-12-05	1922-08-28	Alternating current electric lighting installation

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR526945D Expired FR526945A (en)	1919-12-05	1920-11-08	Alternating current electric lighting installation

Country Status (4)

Country	Link
DE (1)	DE375806C (en)
FR (2)	FR526945A (en)
GB (2)	GB155238A (en)
NL (2)	NL6821C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4473776A (en) *	1982-06-11	1984-09-25	General Electric Company	Disconnect means for capacitor ballast incandescent lamp
US4572991A (en) *	1984-01-16	1986-02-25	General Electric Company	Higher efficiency incandescent lighting unit having an improved ballast unit

1919
- 1919-12-05 NL NL13504A patent/NL6821C/xx active
- 1919-12-21 DE DE1919P0038941 patent/DE375806C/en not_active Expired
1920
- 1920-11-08 FR FR526945D patent/FR526945A/en not_active Expired
- 1920-11-12 GB GB3201420A patent/GB155238A/en not_active Expired
1921
- 1921-08-30 NL NL20226A patent/NL12041C/xx active
1922
- 1922-08-28 GB GB2333722A patent/GB185410A/en not_active Expired
- 1922-08-28 FR FR26773D patent/FR26773E/en not_active Expired

Also Published As

Publication number	Publication date
GB155238A (en)	1922-02-13
GB185410A (en)	1923-03-29
NL12041C (en)	1924-10-15
NL6821C (en)	1922-04-15
DE375806C (en)	1923-05-18
FR526945A (en)	1921-10-15

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