FR35273E - Bayonet caps for multiple filament electric lamps - Google Patents
Bayonet caps for multiple filament electric lampsInfo
- Publication number
- FR35273E FR35273E FR35273DA FR35273E FR 35273 E FR35273 E FR 35273E FR 35273D A FR35273D A FR 35273DA FR 35273 E FR35273 E FR 35273E
- Authority
- FR
- France
- Prior art keywords
- electric lamps
- multiple filament
- filament electric
- bayonet caps
- bayonet
- 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
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
- H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR35273T | 1928-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR35273E true FR35273E (en) | 1929-12-31 |
Family
ID=8672171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR35273D Expired FR35273E (en) | 1928-04-27 | 1928-04-27 | Bayonet caps for multiple filament electric lamps |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR35273E (en) |
GB (1) | GB301319A (en) |
-
1928
- 1928-04-27 FR FR35273D patent/FR35273E/en not_active Expired
- 1928-11-26 GB GB34720/28A patent/GB301319A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB301319A (en) | 1929-09-26 |
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