FR482427A - Incandescent electric lamp with metallic filament - Google Patents
Incandescent electric lamp with metallic filamentInfo
- Publication number
- FR482427A FR482427A FR482427A FR482427DA FR482427A FR 482427 A FR482427 A FR 482427A FR 482427 A FR482427 A FR 482427A FR 482427D A FR482427D A FR 482427DA FR 482427 A FR482427 A FR 482427A
- Authority
- FR
- France
- Prior art keywords
- electric lamp
- incandescent electric
- metallic filament
- filament
- metallic
- 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
- H01K1/28—Envelopes; Vessels
- H01K1/34—Double wall vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE482427X | 1914-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR482427A true FR482427A (en) | 1917-03-20 |
Family
ID=1519432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR482427A Expired FR482427A (en) | 1914-05-14 | 1916-07-29 | Incandescent electric lamp with metallic filament |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR482427A (en) |
-
1916
- 1916-07-29 FR FR482427A patent/FR482427A/en not_active Expired
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