GB297052A - Improvements in or relating to filaments for electric incandescent lamps - Google Patents
Improvements in or relating to filaments for electric incandescent lampsInfo
- Publication number
- GB297052A GB297052A GB21438/28A GB2143828A GB297052A GB 297052 A GB297052 A GB 297052A GB 21438/28 A GB21438/28 A GB 21438/28A GB 2143828 A GB2143828 A GB 2143828A GB 297052 A GB297052 A GB 297052A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filaments
- relating
- incandescent lamps
- electric incandescent
- filament
- 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
- 239000013078 crystal Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE297052X | 1927-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB297052A true GB297052A (en) | 1929-01-17 |
Family
ID=6090561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21438/28A Expired GB297052A (en) | 1927-09-13 | 1928-07-24 | Improvements in or relating to filaments for electric incandescent lamps |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE354121A (enrdf_load_stackoverflow) |
FR (1) | FR660274A (enrdf_load_stackoverflow) |
GB (1) | GB297052A (enrdf_load_stackoverflow) |
Cited By (1)
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 |
-
0
- BE BE354121D patent/BE354121A/xx unknown
-
1928
- 1928-07-24 GB GB21438/28A patent/GB297052A/en not_active Expired
- 1928-09-12 FR FR660274D patent/FR660274A/fr not_active Expired
Cited By (1)
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 |
Also Published As
Publication number | Publication date |
---|---|
BE354121A (enrdf_load_stackoverflow) | |
FR660274A (fr) | 1929-07-09 |
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