NL74345C - - Google Patents

Info

Publication number: NL74345C
Authority: NL; Netherlands

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.)

1946-08-30

Publication of NL74345C publication Critical patent/NL74345C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Solid Thermionic Cathode (AREA)

NL74345D 1946-08-30 NL74345C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL270673X		1946-08-30

Publications (1)

Publication Number	Publication Date
NL74345C true NL74345C (enrdf_load_stackoverflow)

Family

ID=19781917

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL74345D NL74345C (enrdf_load_stackoverflow)	1946-08-30

Country Status (5)

Country	Link
BE (1)	BE475719A (enrdf_load_stackoverflow)
CH (1)	CH270673A (enrdf_load_stackoverflow)
FR (1)	FR952558A (enrdf_load_stackoverflow)
GB (1)	GB656522A (enrdf_load_stackoverflow)
NL (1)	NL74345C (enrdf_load_stackoverflow)

0
- NL NL74345D patent/NL74345C/xx active
- BE BE475719D patent/BE475719A/xx unknown
1947
- 1947-08-27 GB GB23671/47A patent/GB656522A/en not_active Expired
- 1947-08-28 FR FR952558D patent/FR952558A/fr not_active Expired
- 1947-08-28 CH CH270673D patent/CH270673A/de unknown

Also Published As

Publication number	Publication date
CH270673A (de)	1950-09-15
BE475719A (enrdf_load_stackoverflow)
GB656522A (en)	1951-08-22
FR952558A (fr)	1949-11-21

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