BE380871A - - Google Patents

Info

Publication number: BE380871A
Authority: BE; Belgium

Application number

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.)

1930-06-26

Publication of BE380871A publication Critical patent/BE380871A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/58—Thermionic-cathode tubes with more than one cathode or anode

BE380871D 1930-06-26 BE380871A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US381581XA	1930-06-26	1930-06-26

Publications (1)

Publication Number	Publication Date
BE380871A true BE380871A (cg-RX-API-DMAC7.html)

Family

ID=21898374

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE380871D BE380871A (cg-RX-API-DMAC7.html)	1930-06-26

Country Status (4)

Country	Link
BE (1)	BE380871A (cg-RX-API-DMAC7.html)
FR (1)	FR718823A (cg-RX-API-DMAC7.html)
GB (1)	GB381581A (cg-RX-API-DMAC7.html)
NL (1)	NL36486C (cg-RX-API-DMAC7.html)

0
- BE BE380871D patent/BE380871A/xx unknown
- NL NL36486D patent/NL36486C/xx active
1931
- 1931-06-18 FR FR718823D patent/FR718823A/fr not_active Expired
- 1931-06-24 GB GB18278/31A patent/GB381581A/en not_active Expired

Also Published As

Publication number	Publication date
NL36486C (cg-RX-API-DMAC7.html)
FR718823A (fr)	1932-01-29
GB381581A (en)	1932-09-26

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