NL7400812A - - Google Patents
Info
- Publication number
- NL7400812A NL7400812A NL7400812A NL7400812A NL7400812A NL 7400812 A NL7400812 A NL 7400812A NL 7400812 A NL7400812 A NL 7400812A NL 7400812 A NL7400812 A NL 7400812A NL 7400812 A NL7400812 A NL 7400812A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paper (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Chemical Treatment Of Metals (AREA)
- Chemically Coating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB295273A GB1456242A (en) | 1973-01-19 | 1973-01-19 | Incandescent lamp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7400812A true NL7400812A (da) | 1974-07-23 |
| NL177538B NL177538B (nl) | 1985-05-01 |
| NL177538C NL177538C (nl) | 1985-10-01 |
Family
ID=9749149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7400812,A NL177538C (nl) | 1973-01-19 | 1974-01-21 | Elektrische wolfraam-halogeen-gloeilamp, alsmede werkwijze voor het maken van deze lamp. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3902091A (da) |
| JP (1) | JPS5818744B2 (da) |
| BE (1) | BE809912A (da) |
| CA (1) | CA986980A (da) |
| DE (1) | DE2402136C3 (da) |
| DK (1) | DK140963B (da) |
| FR (1) | FR2214969B1 (da) |
| GB (1) | GB1456242A (da) |
| IE (1) | IE38743B1 (da) |
| IT (1) | IT1003464B (da) |
| LU (1) | LU69186A1 (da) |
| NL (1) | NL177538C (da) |
| SE (1) | SE391836B (da) |
| ZA (1) | ZA74275B (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982046A (en) * | 1973-01-19 | 1976-09-21 | Thorn Lighting Limited | Incandescent lamps |
| US4185922A (en) * | 1977-01-17 | 1980-01-29 | Thorn Electrical Industries Limited | Method of introducing fluorine into a lamp |
| US4256988A (en) * | 1977-01-17 | 1981-03-17 | Thorn Lighting Limited | Incandescent halogen lamp with protective envelope coating |
| US4288713A (en) * | 1979-11-23 | 1981-09-08 | Gte Products Corporation | Lamp having opaque coating |
| US5473226A (en) * | 1993-11-16 | 1995-12-05 | Osram Sylvania Inc. | Incandescent lamp having hardglass envelope with internal barrier layer |
| DE4410968A1 (de) * | 1994-03-29 | 1995-10-05 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Quecksilberhochdrucklampe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB388716A (en) * | 1931-12-18 | 1933-03-02 | British Thomson Houston Co Ltd | Improvements in and relating to the manufacture of glass articles |
| US2393469A (en) * | 1942-08-03 | 1946-01-22 | Corning Glass Works | Fluorescent glass and lamp made therefrom |
-
1973
- 1973-01-19 GB GB295273A patent/GB1456242A/en not_active Expired
-
1974
- 1974-01-14 IE IE78/74A patent/IE38743B1/xx unknown
- 1974-01-15 ZA ZA00740275A patent/ZA74275B/xx unknown
- 1974-01-15 CA CA190,139A patent/CA986980A/en not_active Expired
- 1974-01-17 DK DK24674AA patent/DK140963B/da not_active Application Discontinuation
- 1974-01-17 SE SE7400620A patent/SE391836B/xx unknown
- 1974-01-17 LU LU69186A patent/LU69186A1/xx unknown
- 1974-01-17 DE DE2402136A patent/DE2402136C3/de not_active Expired
- 1974-01-18 US US434381A patent/US3902091A/en not_active Expired - Lifetime
- 1974-01-18 BE BE139957A patent/BE809912A/xx unknown
- 1974-01-19 JP JP49008913A patent/JPS5818744B2/ja not_active Expired
- 1974-01-21 IT IT19617/74A patent/IT1003464B/it active
- 1974-01-21 FR FR7401912A patent/FR2214969B1/fr not_active Expired
- 1974-01-21 NL NLAANVRAGE7400812,A patent/NL177538C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2402136C3 (de) | 1978-12-07 |
| DE2402136A1 (de) | 1974-07-25 |
| NL177538C (nl) | 1985-10-01 |
| FR2214969B1 (da) | 1977-06-10 |
| CA986980A (en) | 1976-04-06 |
| GB1456242A (en) | 1976-11-24 |
| IE38743B1 (en) | 1978-03-29 |
| NL177538B (nl) | 1985-05-01 |
| IT1003464B (it) | 1976-06-10 |
| BE809912A (fr) | 1974-05-16 |
| AU6468174A (en) | 1975-07-24 |
| IE38743L (en) | 1974-07-19 |
| US3902091A (en) | 1975-08-26 |
| DK140963C (da) | 1980-05-27 |
| FR2214969A1 (da) | 1974-08-19 |
| LU69186A1 (da) | 1974-04-08 |
| SE391836B (sv) | 1977-02-28 |
| JPS49104482A (da) | 1974-10-03 |
| DK140963B (da) | 1979-12-10 |
| ZA74275B (en) | 1975-05-28 |
| DE2402136B2 (de) | 1978-04-13 |
| JPS5818744B2 (ja) | 1983-04-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |