BE850296A - INCANDESCENT ELECTRIC LAMPS - Google Patents
INCANDESCENT ELECTRIC LAMPSInfo
- Publication number
- BE850296A BE850296A BE174002A BE174002A BE850296A BE 850296 A BE850296 A BE 850296A BE 174002 A BE174002 A BE 174002A BE 174002 A BE174002 A BE 174002A BE 850296 A BE850296 A BE 850296A
- Authority
- BE
- Belgium
- Prior art keywords
- electric lamps
- incandescent electric
- incandescent
- lamps
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB104576A GB1571194A (en) | 1976-01-12 | 1976-01-12 | Internal protective coating for incandescent lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE850296A true BE850296A (en) | 1977-07-12 |
Family
ID=9715212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE174002A BE850296A (en) | 1976-01-12 | 1977-01-12 | INCANDESCENT ELECTRIC LAMPS |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS52101881A (en) |
| AU (1) | AU507484B2 (en) |
| BE (1) | BE850296A (en) |
| CA (1) | CA1097991A (en) |
| DE (1) | DE2701051A1 (en) |
| DK (1) | DK11577A (en) |
| FR (1) | FR2337939A1 (en) |
| GB (1) | GB1571194A (en) |
| IE (1) | IE44478B1 (en) |
| IT (1) | IT1075605B (en) |
| LU (1) | LU76555A1 (en) |
| NL (1) | NL185881C (en) |
| SE (1) | SE437743B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD143980A1 (en) * | 1979-07-13 | 1980-09-17 | Hasso Meinert | LIGHT BULB WITH A FLUOR CIRCULAR PROCESS |
| DE3139294A1 (en) * | 1981-10-02 | 1983-04-21 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | HALOGEN BULB AND METHOD FOR PROTECTING YOUR INTERIOR SURFACE |
| JPS5958753A (en) * | 1982-09-28 | 1984-04-04 | 株式会社東芝 | Incandescent bulb |
| GB8428881D0 (en) * | 1984-11-15 | 1984-12-27 | Atomic Energy Authority Uk | Light scattering coatings |
| DE102008061776A1 (en) | 2008-12-11 | 2010-06-17 | Osram Gesellschaft mit beschränkter Haftung | halogen bulb |
| DE102010042557A1 (en) | 2009-10-21 | 2011-04-28 | Osram Gesellschaft mit beschränkter Haftung | halogen bulb |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT175628B (en) * | 1950-07-12 | 1953-07-25 | Egyesuelt Izzolampa | Incandescent lamp and process for making same |
| FR1139217A (en) * | 1954-02-26 | 1957-06-26 | Philips Nv | Incandescent lamp |
| FR1375567A (en) * | 1963-11-27 | 1964-10-16 | Philips Nv | Gas-filled incandescent lamp |
| HU162781B (en) * | 1971-12-22 | 1973-04-28 |
-
1976
- 1976-01-12 GB GB104576A patent/GB1571194A/en not_active Expired
-
1977
- 1977-01-07 NL NL7700150A patent/NL185881C/en not_active IP Right Cessation
- 1977-01-11 IT IT1916677A patent/IT1075605B/en active
- 1977-01-11 CA CA269,431A patent/CA1097991A/en not_active Expired
- 1977-01-12 DK DK11577A patent/DK11577A/en not_active Application Discontinuation
- 1977-01-12 FR FR7700792A patent/FR2337939A1/en active Granted
- 1977-01-12 LU LU76555A patent/LU76555A1/xx unknown
- 1977-01-12 DE DE19772701051 patent/DE2701051A1/en active Granted
- 1977-01-12 IE IE5277A patent/IE44478B1/en unknown
- 1977-01-12 BE BE174002A patent/BE850296A/en not_active IP Right Cessation
- 1977-01-12 SE SE7700252A patent/SE437743B/en not_active IP Right Cessation
- 1977-01-12 AU AU21269/77A patent/AU507484B2/en not_active Expired
- 1977-01-12 JP JP281177A patent/JPS52101881A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2701051A1 (en) | 1977-07-21 |
| NL185881C (en) | 1990-08-01 |
| IT1075605B (en) | 1985-04-22 |
| DK11577A (en) | 1977-07-13 |
| NL185881B (en) | 1990-03-01 |
| GB1571194A (en) | 1980-07-09 |
| SE437743B (en) | 1985-03-11 |
| SE7700252L (en) | 1977-07-13 |
| IE44478B1 (en) | 1981-12-16 |
| JPS52101881A (en) | 1977-08-26 |
| AU507484B2 (en) | 1980-02-14 |
| AU2126977A (en) | 1978-07-20 |
| FR2337939B1 (en) | 1980-09-05 |
| CA1097991A (en) | 1981-03-24 |
| FR2337939A1 (en) | 1977-08-05 |
| DE2701051C2 (en) | 1988-08-11 |
| IE44478L (en) | 1977-07-12 |
| NL7700150A (en) | 1977-07-14 |
| LU76555A1 (en) | 1977-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: THORN LIGHTING LTD Effective date: 19860131 Owner name: IMPERIAL CHEMICAL INDUSTRIES LTD Effective date: 19860131 |