CA959914A - Discharge lamps - Google Patents

Discharge lamps

Info

Publication number: CA959914A
Authority: CA; Canada
Prior art keywords: discharge lamps; lamps; discharge
Prior art date: 1971-05-25
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

CA142,096A

Other versions

CA142096S (en

Inventor

Eric J.G. Beeson

Kenneth F. Furmidge

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.)

EMI Group Ltd

Original Assignee

Thorn Electrical Industries Ltd

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.)

1971-05-25

Filing date

1972-05-15

Publication date

1974-12-24

1972-05-15 Application filed by Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd

1974-05-30 Priority to CA201,200A priority Critical patent/CA959913A/en

1974-12-24 Application granted granted Critical

1974-12-24 Publication of CA959914A publication Critical patent/CA959914A/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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent

CA142,096A 1971-05-25 1972-05-15 Discharge lamps Expired CA959914A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA201,200A CA959913A (en)	1971-05-25	1974-05-30	Discharge lamps

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1703171A GB1360022A (en)	1971-05-25	1971-05-25	Discharge lamps

Publications (1)

Publication Number	Publication Date
CA959914A true CA959914A (en)	1974-12-24

Family

ID=10087986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA142,096A Expired CA959914A (en)	1971-05-25	1972-05-15	Discharge lamps

Country Status (7)

Country	Link
AU (1)	AU459873B2 (en)
CA (1)	CA959914A (en)
DE (2)	DE2265321C3 (en)
GB (1)	GB1360022A (en)
IT (1)	IT955808B (en)
NL (1)	NL157748B (en)
ZA (1)	ZA723378B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1397034A (en) *	1973-07-05	1975-06-11	Thorn Electrical Ind Ltd	Discharge lamps
NL7712058A (en) *	1977-11-02	1979-05-04	Philips Nv	LOW-PRESSURE MERCURY DISCHARGE LAMP.
GB2182486B (en) *	1985-10-04	1990-06-06	Ushio Electric Inc	Magnesium and iron vapor discharge lamp
GB2183085A (en) *	1985-10-04	1987-05-28	Ushio Electric Inc	Iron vapor discharge lamp

1971
- 1971-05-25 GB GB1703171A patent/GB1360022A/en not_active Expired
1972
- 1972-05-15 CA CA142,096A patent/CA959914A/en not_active Expired
- 1972-05-17 ZA ZA723378A patent/ZA723378B/en unknown
- 1972-05-24 NL NL7207009.A patent/NL157748B/en not_active IP Right Cessation
- 1972-05-24 DE DE2265321A patent/DE2265321C3/en not_active Expired
- 1972-05-24 IT IT24783/72A patent/IT955808B/en active
- 1972-05-24 DE DE2225223A patent/DE2225223C3/en not_active Expired
- 1972-05-25 AU AU42776/72A patent/AU459873B2/en not_active Expired

Also Published As

Publication number	Publication date
GB1360022A (en)	1974-07-17
DE2265321C3 (en)	1982-09-30
DE2265321A1 (en)	1977-06-16
NL157748B (en)	1978-08-15
DE2265321B2 (en)	1980-08-28
DE2225223A1 (en)	1972-12-07
AU4277672A (en)	1973-11-29
AU459873B2 (en)	1975-04-10
DE2225223B2 (en)	1977-07-14
NL7207009A (en)	1972-11-28
ZA723378B (en)	1973-02-28
IT955808B (en)	1973-09-29
DE2225223C3 (en)	1978-03-16

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