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ES82171A1 - Spiral shaped light filament for incandescent lamps and procedure for its manufacture. - Google Patents

Spiral shaped light filament for incandescent lamps and procedure for its manufacture.

Info

Publication number
ES82171A1
ES82171A1 ES82171A ES82171A ES82171A1 ES 82171 A1 ES82171 A1 ES 82171A1 ES 82171 A ES82171 A ES 82171A ES 82171 A ES82171 A ES 82171A ES 82171 A1 ES82171 A1 ES 82171A1
Authority
ES
Spain
Prior art keywords
procedure
manufacture
shaped light
incandescent lamps
spiral shaped
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
ES82171A
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 GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to ES82171A priority Critical patent/ES82171A1/en
Publication of ES82171A1 publication Critical patent/ES82171A1/en
Expired legal-status Critical Current

Links

ES82171A 1922-06-30 1922-06-30 Spiral shaped light filament for incandescent lamps and procedure for its manufacture. Expired ES82171A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES82171A ES82171A1 (en) 1922-06-30 1922-06-30 Spiral shaped light filament for incandescent lamps and procedure for its manufacture.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES82171A ES82171A1 (en) 1922-06-30 1922-06-30 Spiral shaped light filament for incandescent lamps and procedure for its manufacture.

Publications (1)

Publication Number Publication Date
ES82171A1 true ES82171A1 (en) 1923-02-16

Family

ID=64260150

Family Applications (1)

Application Number Title Priority Date Filing Date
ES82171A Expired ES82171A1 (en) 1922-06-30 1922-06-30 Spiral shaped light filament for incandescent lamps and procedure for its manufacture.

Country Status (1)

Country Link
ES (1) ES82171A1 (en)

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