ES7171Y - Cátodo de calentamiento indirecto. - Google Patents

Cátodo de calentamiento indirecto.

Info

Publication number: ES7171Y
Authority: ES; Spain
Prior art keywords: indirect heating; heating cathode; cathode; indirect; heating
Prior art date: 1942-01-28
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

ES0007171U

Other languages

English (en)

Other versions

ES7171U (es

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1942-01-28

Filing date

1942-01-28

Publication date

1944-03-01

1942-01-28 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1942-01-28 Priority to ES0007171U priority Critical patent/ES7171Y/es

1942-05-16 Publication of ES7171U publication Critical patent/ES7171U/es

1944-03-01 Application granted granted Critical

1944-03-01 Publication of ES7171Y publication Critical patent/ES7171Y/es

Status Expired legal-status Critical Current

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
ES0007171U ES7171Y (es)	1942-01-28	1942-01-28	Cátodo de calentamiento indirecto.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ES0007171U ES7171Y (es)	1942-01-28	1942-01-28	Cátodo de calentamiento indirecto.

Publications (2)

Publication Number	Publication Date
ES7171U ES7171U (es)	1942-05-16
ES7171Y true ES7171Y (es)	1944-03-01

Family

ID=51071663

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES0007171U Expired ES7171Y (es)	1942-01-28	1942-01-28	Cátodo de calentamiento indirecto.

Country Status (1)

Country	Link
ES (1)	ES7171Y (es)

1942
- 1942-01-28 ES ES0007171U patent/ES7171Y/es not_active Expired

Also Published As

Publication number	Publication date
ES7171U (es)	1942-05-16

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