GB1342841A - Electric gas-discharge lamps - Google Patents

Electric gas-discharge lamps

Info

Publication number
GB1342841A
GB1342841A GB2443571*A GB2443571A GB1342841A GB 1342841 A GB1342841 A GB 1342841A GB 2443571 A GB2443571 A GB 2443571A GB 1342841 A GB1342841 A GB 1342841A
Authority
GB
United Kingdom
Prior art keywords
discharge lamps
electric gas
gas
electric
lamps
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
GB2443571*A
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.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine SA
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 Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Publication of GB1342841A publication Critical patent/GB1342841A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
GB2443571*A 1970-03-17 1971-04-19 Electric gas-discharge lamps Expired GB1342841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7009499A FR2082471A5 (en) 1970-03-17 1970-03-17

Publications (1)

Publication Number Publication Date
GB1342841A true GB1342841A (en) 1974-01-03

Family

ID=9052383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2443571*A Expired GB1342841A (en) 1970-03-17 1971-04-19 Electric gas-discharge lamps

Country Status (8)

Country Link
US (1) US3740604A (en)
BE (1) BE764324A (en)
DE (1) DE2112687A1 (en)
FR (1) FR2082471A5 (en)
GB (1) GB1342841A (en)
LU (1) LU62795A1 (en)
NL (1) NL7103485A (en)
SU (1) SU372858A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320508A1 (en) * 1983-06-07 1984-12-13 W.C. Heraeus Gmbh, 6450 Hanau DISCHARGE LAMP

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08162007A (en) * 1994-12-06 1996-06-21 Koito Mfg Co Ltd Discharge lamp device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148300A (en) * 1961-08-04 1964-09-08 Gen Electric Lamp having envelope of glass opaque to ultraviolet radiation
BE630902A (en) * 1962-04-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320508A1 (en) * 1983-06-07 1984-12-13 W.C. Heraeus Gmbh, 6450 Hanau DISCHARGE LAMP

Also Published As

Publication number Publication date
FR2082471A5 (en) 1971-12-10
US3740604A (en) 1973-06-19
LU62795A1 (en) 1971-08-23
NL7103485A (en) 1971-09-21
DE2112687A1 (en) 1971-09-30
SU372858A3 (en) 1973-03-01
BE764324A (en) 1971-08-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee