ES44643A1 -
A method of protecting, by covering the filament of electric current incandescent lamps, with a transparent and non-combustible insulating body.
- Google Patents
A method of protecting, by covering the filament of electric current incandescent lamps, with a transparent and non-combustible insulating body.
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.)
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.)
Urquijo Marin De Aguirre Fernando De
Vaz Carrasco Francisco
Original Assignee
Urquijo Marin De Aguirre Fernando De
Vaz Carrasco Francisco
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 Urquijo Marin De Aguirre Fernando De, Vaz Carrasco FranciscofiledCriticalUrquijo Marin De Aguirre Fernando De
Priority to ES44643ApriorityCriticalpatent/ES44643A1/en
Publication of ES44643A1publicationCriticalpatent/ES44643A1/en
ES44643A1909-01-041909-01-04
A method of protecting, by covering the filament of electric current incandescent lamps, with a transparent and non-combustible insulating body.
ExpiredES44643A1
(en)
An electric incandescent lamp with more than one circuit inside of the same or different intensity and of which only one, some or all of them receives current at will.