BE850296A - Lampes electriques a incandescence - Google Patents
Lampes electriques a incandescenceInfo
- 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 (fr) | 1977-07-12 |
Family
ID=9715212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE174002A BE850296A (fr) | 1976-01-12 | 1977-01-12 | Lampes electriques a incandescence |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS52101881A (da) |
AU (1) | AU507484B2 (da) |
BE (1) | BE850296A (da) |
CA (1) | CA1097991A (da) |
DE (1) | DE2701051A1 (da) |
DK (1) | DK11577A (da) |
FR (1) | FR2337939A1 (da) |
GB (1) | GB1571194A (da) |
IE (1) | IE44478B1 (da) |
IT (1) | IT1075605B (da) |
LU (1) | LU76555A1 (da) |
NL (1) | NL185881C (da) |
SE (1) | SE437743B (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD143980A1 (de) * | 1979-07-13 | 1980-09-17 | Hasso Meinert | Gluehlampe mit einem fluor-kreisprozess |
DE3139294A1 (de) * | 1981-10-02 | 1983-04-21 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Halogengluehlampe und verfahren zum schutz ihrer innenoberflaeche |
JPS5958753A (ja) * | 1982-09-28 | 1984-04-04 | 株式会社東芝 | 白熱電球 |
GB8428881D0 (en) * | 1984-11-15 | 1984-12-27 | Atomic Energy Authority Uk | Light scattering coatings |
DE102008061776A1 (de) | 2008-12-11 | 2010-06-17 | Osram Gesellschaft mit beschränkter Haftung | Halogenglühlampe |
DE102010042557A1 (de) | 2009-10-21 | 2011-04-28 | Osram Gesellschaft mit beschränkter Haftung | Halogenglühlampe |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT175628B (de) * | 1950-07-12 | 1953-07-25 | Egyesuelt Izzolampa | Glühlampe und Verfahren zu deren Herstellung |
FR1139217A (fr) * | 1954-02-26 | 1957-06-26 | Philips Nv | Lampe à incandescence |
FR1375567A (fr) * | 1963-11-27 | 1964-10-16 | Philips Nv | Lampe à incandescence à atmosphère gazeuse |
HU162781B (da) * | 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/xx not_active IP Right Cessation
- 1977-01-11 CA CA269,431A patent/CA1097991A/en not_active Expired
- 1977-01-11 IT IT1916677A patent/IT1075605B/it active
- 1977-01-12 AU AU21269/77A patent/AU507484B2/en not_active Expired
- 1977-01-12 BE BE174002A patent/BE850296A/xx not_active IP Right Cessation
- 1977-01-12 SE SE7700252A patent/SE437743B/xx not_active IP Right Cessation
- 1977-01-12 DE DE19772701051 patent/DE2701051A1/de active Granted
- 1977-01-12 FR FR7700792A patent/FR2337939A1/fr active Granted
- 1977-01-12 IE IE5277A patent/IE44478B1/en unknown
- 1977-01-12 JP JP281177A patent/JPS52101881A/ja active Pending
- 1977-01-12 LU LU76555A patent/LU76555A1/xx unknown
- 1977-01-12 DK DK11577A patent/DK11577A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2701051A1 (de) | 1977-07-21 |
DE2701051C2 (da) | 1988-08-11 |
AU2126977A (en) | 1978-07-20 |
SE437743B (sv) | 1985-03-11 |
LU76555A1 (da) | 1977-06-17 |
NL7700150A (nl) | 1977-07-14 |
NL185881B (nl) | 1990-03-01 |
AU507484B2 (en) | 1980-02-14 |
NL185881C (nl) | 1990-08-01 |
GB1571194A (en) | 1980-07-09 |
DK11577A (da) | 1977-07-13 |
JPS52101881A (en) | 1977-08-26 |
CA1097991A (en) | 1981-03-24 |
IE44478L (en) | 1977-07-12 |
IE44478B1 (en) | 1981-12-16 |
SE7700252L (sv) | 1977-07-13 |
IT1075605B (it) | 1985-04-22 |
FR2337939A1 (fr) | 1977-08-05 |
FR2337939B1 (da) | 1980-09-05 |
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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 |