GB364088A - Improvements in electric rare gas illuminating lamps - Google Patents

Improvements in electric rare gas illuminating lamps

Info

Publication number: GB364088A
Authority: GB; United Kingdom
Prior art keywords: bulb; electrodes; lamp; filling; hot electrode
Prior art date: 1929-07-30
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

GB22497/30A

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.)

Individual

Original Assignee

Individual

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.)

1929-07-30

Filing date

1930-07-25

Publication date

1931-12-28

1930-07-25 Application filed by Individual filed Critical Individual

1931-12-28 Publication of GB364088A publication Critical patent/GB364088A/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
- H01J61/64—Cathode glow lamps
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only

Landscapes

Discharge Lamp (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)
Electroluminescent Light Sources (AREA)
Circuit Arrangements For Discharge Lamps (AREA)

GB22497/30A 1929-07-30 1930-07-25 Improvements in electric rare gas illuminating lamps Expired GB364088A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT364088X		1929-07-30
AT2213183X		1929-12-04

Publications (1)

Publication Number	Publication Date
GB364088A true GB364088A (en)	1931-12-28

Family

ID=32070364

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB22497/30A Expired GB364088A (en)	1929-07-30	1930-07-25	Improvements in electric rare gas illuminating lamps
GB34454/30A Expired GB367351A (en)	1929-07-30	1930-11-15	Improvements in electric rare gas illuminating lamps

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB34454/30A Expired GB367351A (en)	1929-07-30	1930-11-15	Improvements in electric rare gas illuminating lamps

Country Status (6)

Country	Link
US (2)	US2213182A (es)
BE (1)	BE372352A (es)
ES (1)	ES119015A1 (es)
FR (1)	FR699222A (es)
GB (2)	GB364088A (es)
NL (1)	NL44755C (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2607901A (en) *	1946-12-31	1952-08-19	Bell Telephone Labor Inc	Electronic discharge device

0
- NL NL44755D patent/NL44755C/xx active
- BE BE372352D patent/BE372352A/xx unknown
1930
- 1930-07-17 ES ES0119015A patent/ES119015A1/es not_active Expired
- 1930-07-18 US US468884A patent/US2213182A/en not_active Expired - Lifetime
- 1930-07-22 FR FR699222D patent/FR699222A/fr not_active Expired
- 1930-07-25 GB GB22497/30A patent/GB364088A/en not_active Expired
- 1930-11-15 GB GB34454/30A patent/GB367351A/en not_active Expired
- 1930-11-20 US US497025A patent/US2213183A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR699222A (fr)	1931-02-12
ES119015A1 (es)	1930-08-16
NL44755C (es)
US2213182A (en)	1940-08-27
US2213183A (en)	1940-08-27
BE372352A (es)
GB367351A (en)	1932-02-15

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