FR445649A - Device applicable to metal filament incandescent electric lamps - Google Patents
Device applicable to metal filament incandescent electric lampsInfo
- Publication number
- FR445649A FR445649A FR445649A FR445649DA FR445649A FR 445649 A FR445649 A FR 445649A FR 445649 A FR445649 A FR 445649A FR 445649D A FR445649D A FR 445649DA FR 445649 A FR445649 A FR 445649A
- Authority
- FR
- France
- Prior art keywords
- metal filament
- electric lamps
- device applicable
- incandescent electric
- filament incandescent
- 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
- H01K1/18—Mountings or supports for the incandescent body
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE191215486X | 1911-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR445649A true FR445649A (en) | 1912-11-15 |
Family
ID=32522511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR445649A Expired FR445649A (en) | 1911-11-21 | 1912-06-12 | Device applicable to metal filament incandescent electric lamps |
Country Status (3)
Country | Link |
---|---|
DE (3) | DE253436C (en) |
FR (1) | FR445649A (en) |
GB (1) | GB191215486A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011014543B4 (en) | 2011-03-19 | 2019-05-23 | Richard Wolf Gmbh | Medical instrument |
-
0
- DE DENDAT259201D patent/DE259201C/de active Active
- DE DENDAT252767D patent/DE252767C/de active Active
- DE DENDAT253436D patent/DE253436C/de active Active
-
1912
- 1912-06-12 FR FR445649A patent/FR445649A/en not_active Expired
- 1912-07-02 GB GB191215486D patent/GB191215486A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191215486A (en) | 1913-07-02 |
DE259201C (en) | |
DE252767C (en) | |
DE253436C (en) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR445649A (en) | Device applicable to metal filament incandescent electric lamps | |
FR444898A (en) | Device applicable to metal filament incandescent electric lamps | |
FR20302E (en) | Filaments of incandescent lamps | |
FR437735A (en) | Incandescent lamps | |
FR413736A (en) | Improvements to metal filament incandescent electric lamps | |
FR445324A (en) | Stretched Metal Filament Incandescent Lamp | |
FR469902A (en) | Filament improvements for incandescent electric lamps | |
FR466580A (en) | New metal filament incandescent lamp | |
FR482720A (en) | Incandescent lamp improvements | |
FR473929A (en) | Continuous metal filament incandescent lamps improvements | |
FR588948A (en) | Incandescent lamp improvements | |
FR477955A (en) | Incandescent lamp improvements | |
FR441987A (en) | Improvements to incandescent electric lamps | |
CH57393A (en) | Improvement in incandescent electric lamps | |
FR445198A (en) | Filament shaping improvements for incandescent lamps | |
FR459546A (en) | Improvements to metal filament electric lamps | |
FR434163A (en) | Method and device for the manufacture of electric incandescent lamps, with metal filaments | |
CH54431A (en) | Incandescent lamp with metal filaments | |
FR474519A (en) | Improvements to incandescent electric lamps | |
FR468616A (en) | Further development of carbon filament incandescent electric lamps | |
FR17979E (en) | Improvements to incandescent electric lamps | |
FR471379A (en) | Incandescent lamp improvements | |
FR468508A (en) | Metal filament incandescent lamp | |
FR410948A (en) | Metal filament incandescent electric lamp | |
FR375862A (en) | Advanced device of metal filament incandescent lamps |