GB1342841A - Electric gas-discharge lamps - Google Patents

Electric gas-discharge lamps

Info

Publication number: GB1342841A
Authority: GB; United Kingdom
Prior art keywords: discharge lamps; electric gas; gas; electric; lamps
Prior art date: 1970-03-17
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.)

1970-03-17

Filing date

1971-04-19

Publication date

1974-01-03

1971-04-19 Application filed by Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA

1974-01-03 Publication of GB1342841A publication Critical patent/GB1342841A/en

Status 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

1970
- 1970-03-17 FR FR7009499A patent/FR2082471A5/fr not_active Expired
1971
- 1971-03-16 NL NL7103485A patent/NL7103485A/xx unknown
- 1971-03-16 BE BE764324A patent/BE764324A/en unknown
- 1971-03-16 DE DE19712112687 patent/DE2112687A1/en active Pending
- 1971-03-16 US US00124823A patent/US3740604A/en not_active Expired - Lifetime
- 1971-03-16 LU LU62795D patent/LU62795A1/xx unknown
- 1971-03-17 SU SU1629076A patent/SU372858A3/ru active
- 1971-04-19 GB GB2443571*A patent/GB1342841A/en not_active Expired

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

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Legal Events

Date	Code	Title	Description
1974-05-15	PS	Patent sealed [section 19, patents act 1949]
1981-11-25	PCNP	Patent ceased through non-payment of renewal fee