FR605172A - Incandescent electric lamp - Google Patents
Incandescent electric lampInfo
- Publication number
- FR605172A FR605172A FR605172DA FR605172A FR 605172 A FR605172 A FR 605172A FR 605172D A FR605172D A FR 605172DA FR 605172 A FR605172 A FR 605172A
- Authority
- FR
- France
- Prior art keywords
- electric lamp
- incandescent electric
- incandescent
- lamp
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR605172T | 1925-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR605172A true FR605172A (en) | 1926-05-20 |
Family
ID=8973790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR605172D Expired FR605172A (en) | 1925-01-22 | 1925-01-22 | Incandescent electric lamp |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR605172A (en) |
GB (1) | GB246504A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2454765A (en) * | 1944-09-28 | 1948-11-30 | Tung Sol Lamp Works Inc | Electric head lamp projector and incandescent lamp therefor |
US20070182326A1 (en) * | 2004-03-17 | 2007-08-09 | Koninklijke Philips Electronics, N.V. | Filament lamp comprising two coiled filaments and a lamp assembly |
DE102008059292A1 (en) * | 2008-11-27 | 2010-06-02 | Osram Gesellschaft mit beschränkter Haftung | Incandescent lamp has filament arranged in lamp bulb, where filament has multiple filament sections which are connected with each other, and each filament section forms coiled section |
-
1925
- 1925-01-22 FR FR605172D patent/FR605172A/en not_active Expired
-
1926
- 1926-01-22 GB GB1960/26A patent/GB246504A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB246504A (en) | 1926-05-13 |
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