GB503639A - Improvements in electric lamps and more particularly cathode glow discharge lamps - Google Patents

Improvements in electric lamps and more particularly cathode glow discharge lamps

Info

Publication number
GB503639A
GB503639A GB33859/37A GB3385937A GB503639A GB 503639 A GB503639 A GB 503639A GB 33859/37 A GB33859/37 A GB 33859/37A GB 3385937 A GB3385937 A GB 3385937A GB 503639 A GB503639 A GB 503639A
Authority
GB
United Kingdom
Prior art keywords
ring
lamps
glow discharge
lamp
bulb
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
GB33859/37A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB503639A publication Critical patent/GB503639A/en
Expired legal-status Critical Current

Links

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
GB33859/37A 1937-11-23 1937-12-07 Improvements in electric lamps and more particularly cathode glow discharge lamps Expired GB503639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE203542X 1937-11-23

Publications (1)

Publication Number Publication Date
GB503639A true GB503639A (en) 1939-04-12

Family

ID=5777008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33859/37A Expired GB503639A (en) 1937-11-23 1937-12-07 Improvements in electric lamps and more particularly cathode glow discharge lamps

Country Status (4)

Country Link
CH (1) CH203542A (enrdf_load_stackoverflow)
FR (1) FR834770A (enrdf_load_stackoverflow)
GB (1) GB503639A (enrdf_load_stackoverflow)
NL (1) NL49800C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL49800C (enrdf_load_stackoverflow)
FR834770A (fr) 1938-12-01
CH203542A (de) 1939-03-15

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