FR905875A - Electric discharge lamp - Google Patents

Electric discharge lamp

Info

Publication number: FR905875A
Authority: FR; France
Prior art keywords: discharge lamp; electric discharge; electric; lamp; discharge
Prior art date: 1943-07-17
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

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.)

Osram GmbH

Original Assignee

Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH

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.)

1943-07-17

Filing date

1944-07-17

Publication date

1945-12-17

1944-07-17 Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH

1945-12-17 Application granted granted Critical

1945-12-17 Publication of FR905875A publication Critical patent/FR905875A/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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
- H01J61/526—Heating or cooling particular parts of the lamp heating or cooling of electrodes

FR905875D 1943-07-17 1944-07-17 Electric discharge lamp Expired FR905875A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE905875X		1943-07-17

Publications (1)

Publication Number	Publication Date
FR905875A true FR905875A (en)	1945-12-17

Family

ID=6862429

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR905875D Expired FR905875A (en)	1943-07-17	1944-07-17	Electric discharge lamp

Country Status (2)

Country	Link
BE (1)	BE456927A (en)
FR (1)	FR905875A (en)

0
- BE BE456927D patent/BE456927A/xx unknown
1944
- 1944-07-17 FR FR905875D patent/FR905875A/en not_active Expired

Also Published As

Publication number	Publication date
BE456927A (en)

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