FR2337939B1 - - Google Patents
Info
- Publication number
- FR2337939B1 FR2337939B1 FR7700792A FR7700792A FR2337939B1 FR 2337939 B1 FR2337939 B1 FR 2337939B1 FR 7700792 A FR7700792 A FR 7700792A FR 7700792 A FR7700792 A FR 7700792A FR 2337939 B1 FR2337939 B1 FR 2337939B1
- Authority
- FR
- France
- 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
- H01K1/32—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 (2)
Publication Number | Publication Date |
---|---|
FR2337939A1 FR2337939A1 (en) | 1977-08-05 |
FR2337939B1 true FR2337939B1 (en) | 1980-09-05 |
Family
ID=9715212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700792A Granted FR2337939A1 (en) | 1976-01-12 | 1977-01-12 | INCANDESCENT LAMP CONTAINING AN INTERNAL COATING FOR PROTECTION AGAINST HALOGENS, AND METHOD OF MANUFACTURING |
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 CA CA269,431A patent/CA1097991A/en not_active Expired
- 1977-01-11 IT IT1916677A patent/IT1075605B/en active
- 1977-01-12 JP JP281177A patent/JPS52101881A/en active Pending
- 1977-01-12 FR FR7700792A patent/FR2337939A1/en active Granted
- 1977-01-12 DE DE19772701051 patent/DE2701051A1/en active Granted
- 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 IE IE5277A patent/IE44478B1/en unknown
- 1977-01-12 LU LU76555A patent/LU76555A1/xx unknown
- 1977-01-12 DK DK11577A patent/DK11577A/en not_active Application Discontinuation
- 1977-01-12 AU AU21269/77A patent/AU507484B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2337939A1 (en) | 1977-08-05 |
DE2701051A1 (en) | 1977-07-21 |
DE2701051C2 (en) | 1988-08-11 |
AU507484B2 (en) | 1980-02-14 |
GB1571194A (en) | 1980-07-09 |
NL7700150A (en) | 1977-07-14 |
IE44478B1 (en) | 1981-12-16 |
CA1097991A (en) | 1981-03-24 |
AU2126977A (en) | 1978-07-20 |
NL185881B (en) | 1990-03-01 |
IE44478L (en) | 1977-07-12 |
LU76555A1 (en) | 1977-06-17 |
SE437743B (en) | 1985-03-11 |
NL185881C (en) | 1990-08-01 |
SE7700252L (en) | 1977-07-13 |
BE850296A (en) | 1977-07-12 |
JPS52101881A (en) | 1977-08-26 |
DK11577A (en) | 1977-07-13 |
IT1075605B (en) | 1985-04-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |