ES79201A3 - Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament. - Google Patents

Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament.

Info

Publication number
ES79201A3
ES79201A3 ES79201A ES79201A ES79201A3 ES 79201 A3 ES79201 A3 ES 79201A3 ES 79201 A ES79201 A ES 79201A ES 79201 A ES79201 A ES 79201A ES 79201 A3 ES79201 A3 ES 79201A3
Authority
ES
Spain
Prior art keywords
filament
bulb
attack
filling
gas
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
ES79201A
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to ES79201A priority Critical patent/ES79201A3/en
Publication of ES79201A3 publication Critical patent/ES79201A3/en
Expired legal-status Critical Current

Links

ES79201A 1921-08-27 1921-08-27 Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament. Expired ES79201A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES79201A ES79201A3 (en) 1921-08-27 1921-08-27 Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES79201A ES79201A3 (en) 1921-08-27 1921-08-27 Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament.

Publications (1)

Publication Number Publication Date
ES79201A3 true ES79201A3 (en) 1921-11-01

Family

ID=69407503

Family Applications (1)

Application Number Title Priority Date Filing Date
ES79201A Expired ES79201A3 (en) 1921-08-27 1921-08-27 Improvements in electric incandescent lamps with metallic filament and filling of the bulb with a gas that does not attack the filament.

Country Status (1)

Country Link
ES (1) ES79201A3 (en)

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