ES74009A1 - Improvements in the means of concentrating or intensifying the light of electric filament lamps. - Google Patents

Improvements in the means of concentrating or intensifying the light of electric filament lamps.

Info

Publication number
ES74009A1
ES74009A1 ES74009A ES74009A ES74009A1 ES 74009 A1 ES74009 A1 ES 74009A1 ES 74009 A ES74009 A ES 74009A ES 74009 A ES74009 A ES 74009A ES 74009 A1 ES74009 A1 ES 74009A1
Authority
ES
Spain
Prior art keywords
intensifying
concentrating
light
filament lamps
electric filament
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
ES74009A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES74009A priority Critical patent/ES74009A1/en
Publication of ES74009A1 publication Critical patent/ES74009A1/en
Expired legal-status Critical Current

Links

ES74009A 1920-06-10 1920-06-10 Improvements in the means of concentrating or intensifying the light of electric filament lamps. Expired ES74009A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES74009A ES74009A1 (en) 1920-06-10 1920-06-10 Improvements in the means of concentrating or intensifying the light of electric filament lamps.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES74009A ES74009A1 (en) 1920-06-10 1920-06-10 Improvements in the means of concentrating or intensifying the light of electric filament lamps.

Publications (1)

Publication Number Publication Date
ES74009A1 true ES74009A1 (en) 1920-09-01

Family

ID=64244298

Family Applications (1)

Application Number Title Priority Date Filing Date
ES74009A Expired ES74009A1 (en) 1920-06-10 1920-06-10 Improvements in the means of concentrating or intensifying the light of electric filament lamps.

Country Status (1)

Country Link
ES (1) ES74009A1 (en)

Similar Documents

Publication Publication Date Title
ES74009A1 (en) Improvements in the means of concentrating or intensifying the light of electric filament lamps.
ES73415A3 (en) Solar light lamps.
ES73626A1 (en) Improvements in electric incandescent lamps.
ES74152A1 (en) Improvements in electric incandescent lamps.
ES128429A3 (en) Improvements in the electrodes of incandescent electric lamps.
AT90911B (en) Electric light bulb.
ES73543A1 (en) Improvements in the manufacture of incandescent electric lamps.
DK46760C (en) Electric Bicycle Light Mount for Alternator Powered Lamp.
ES72897A3 (en) Improvements in the bulbs of the incandescent lamps.
ES71313A1 (en) Improvements in incandescent electric lamps.
ES76184A1 (en) Improvements in light projectors.
ES81858A1 (en) Improvements introduced in electric incandescent lamps.
ES81998A2 (en) Improvements introduced in electric incandescent lamps.
ES74735A3 (en) Incandescent lamp improvements.
ES74800A1 (en) Incandescent lamp improvements.
ES74859A2 (en) Incandescent lamp improvements.
ES125299A3 (en) Improvements in the electrodes of incandescent lamps.
ES68985A2 (en) Improvements in electric lamps.
ES73437A1 (en) Improvements in the manufacture of electric incandescent lamps.
ES73438A1 (en) Improvements in the manufacture of electric incandescent lamps.
ES97156A1 (en) An electric filter to reduce the emission of light in electric incandescent lamps.
ES70511A1 (en) An incandescent daylight lamp.
ES73150A1 (en) Incandescent lamp improvements.
ES110705A3 (en) An electric lamp with an unbreakable filament.
ES85816A1 (en) An electric light bulb with two or more filaments, usable in ordinary lamp holders.