FR54441E - improved electrode for discharge lamp - Google Patents

improved electrode for discharge lamp

Info

Publication number: FR54441E
Authority: FR; France
Prior art keywords: discharge lamp; improved electrode; electrode; improved; lamp
Prior art date: 1940-10-29
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.)

General Electric Co PLC

Original Assignee

General Electric Co PLC

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.)

1940-10-29

Filing date

1946-02-12

Publication date

1950-05-02

1946-02-12 Application filed by General Electric Co PLC filed Critical General Electric Co PLC

1950-05-02 Application granted granted Critical

1950-05-02 Publication of FR54441E publication Critical patent/FR54441E/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode

FR54441D 1940-10-29 1946-02-12 improved electrode for discharge lamp Expired FR54441E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1583340A GB543161A (en)	1940-10-29	1940-10-29	Improvements in hpmv electric discharge devices

Publications (1)

Publication Number	Publication Date
FR54441E true FR54441E (en)	1950-05-02

Family

ID=10066350

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR921728D Expired FR921728A (en)	1940-10-29	1946-02-07	improved electrode for discharge lamp
FR54441D Expired FR54441E (en)	1940-10-29	1946-02-12	improved electrode for discharge lamp

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR921728D Expired FR921728A (en)	1940-10-29	1946-02-07	improved electrode for discharge lamp

Country Status (4)

Country	Link
BE (2)	BE463968A (en)
ES (1)	ES174103A1 (en)
FR (2)	FR921728A (en)
GB (2)	GB543161A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB630547A (en) *	1945-03-05	1949-10-17	Gen Electric Co Ltd	Improvements in and relating to electric discharge lamps
US2675496A (en) *	1949-08-31	1954-04-13	Westinghouse Electric Corp	High-pressure discharge lamp and seal therefor
DE1011518B (en) *	1951-01-11	1957-07-04	Hanovia Chemical And Mfg Compa	Electric high pressure discharge lamp

0
- BE BE463994D patent/BE463994A/xx unknown
- BE BE463968D patent/BE463968A/xx unknown
1940
- 1940-10-29 GB GB1583340A patent/GB543161A/en not_active Expired
1942
- 1942-04-09 GB GB467742A patent/GB554678A/en not_active Expired
1946
- 1946-02-07 FR FR921728D patent/FR921728A/en not_active Expired
- 1946-02-12 FR FR54441D patent/FR54441E/en not_active Expired
- 1946-06-28 ES ES174103A patent/ES174103A1/en not_active Expired

Also Published As

Publication number	Publication date
ES174103A1 (en)	1946-08-01
GB543161A (en)	1942-02-12
FR921728A (en)	1947-05-16
BE463968A (en)
GB554678A (en)	1943-07-14
BE463994A (en)

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