ES138844A1 - Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament. - Google Patents

Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament.

Info

Publication number
ES138844A1
ES138844A1 ES138844A ES138844A ES138844A1 ES 138844 A1 ES138844 A1 ES 138844A1 ES 138844 A ES138844 A ES 138844A ES 138844 A ES138844 A ES 138844A ES 138844 A1 ES138844 A1 ES 138844A1
Authority
ES
Spain
Prior art keywords
manufacture
gas
double spiral
electric lamps
incandescent electric
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
ES138844A
Other languages
Spanish (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.)
Osram SA
Original Assignee
Osram Fabrica de Lamparas SA
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 Osram Fabrica de Lamparas SA filed Critical Osram Fabrica de Lamparas SA
Priority to ES138844A priority Critical patent/ES138844A1/en
Publication of ES138844A1 publication Critical patent/ES138844A1/en
Expired legal-status Critical Current

Links

ES138844A 1935-07-04 1935-07-04 Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament. Expired ES138844A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES138844A ES138844A1 (en) 1935-07-04 1935-07-04 Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES138844A ES138844A1 (en) 1935-07-04 1935-07-04 Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament.

Publications (1)

Publication Number Publication Date
ES138844A1 true ES138844A1 (en) 1935-10-01

Family

ID=65591472

Family Applications (1)

Application Number Title Priority Date Filing Date
ES138844A Expired ES138844A1 (en) 1935-07-04 1935-07-04 Improvements in the manufacture of incandescent electric lamps filled with gas, with double spiral filament.

Country Status (1)

Country Link
ES (1) ES138844A1 (en)

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