FR575760A - - Google Patents

Info

Publication number
FR575760A
FR575760A FR575760DA FR575760A FR 575760 A FR575760 A FR 575760A FR 575760D A FR575760D A FR 575760DA FR 575760 A FR575760 A FR 575760A
Authority
FR
France
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
French (fr)
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.)
Publication date
Priority claimed from GB2486023A external-priority patent/GB228592A/en
Application granted granted Critical
Publication of FR575760A publication Critical patent/FR575760A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/20—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
FR575760D 1923-09-28 Expired FR575760A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1718849X 1923-09-28
GB2486023A GB228592A (en) 1923-10-05 1923-10-05 Improvements in and relating to incandescent cathode x-ray tubes

Publications (1)

Publication Number Publication Date
FR575760A true FR575760A (enrdf_load_stackoverflow) 1924-08-06

Family

ID=26257337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR575760D Expired FR575760A (enrdf_load_stackoverflow) 1923-09-28

Country Status (4)

Country Link
US (1) US1718849A (enrdf_load_stackoverflow)
DE (1) DE568306C (enrdf_load_stackoverflow)
FR (1) FR575760A (enrdf_load_stackoverflow)
NL (1) NL24985C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683223A (en) * 1952-07-24 1954-07-06 Licentia Gmbh X-ray tube
US2836747A (en) * 1955-03-28 1958-05-27 Dunlee Corp X-ray tube cathode

Also Published As

Publication number Publication date
NL24985C (enrdf_load_stackoverflow)
US1718849A (en) 1929-06-25
DE568306C (de) 1933-01-17

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