NL6812958A - - Google Patents
Info
- Publication number
- NL6812958A NL6812958A NL6812958A NL6812958A NL6812958A NL 6812958 A NL6812958 A NL 6812958A NL 6812958 A NL6812958 A NL 6812958A NL 6812958 A NL6812958 A NL 6812958A NL 6812958 A NL6812958 A NL 6812958A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/12—Preparation of the ground by freezing
- E21D1/14—Freezing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5896067 | 1967-09-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6812958A true NL6812958A (de) | 1969-03-14 |
| NL148743B NL148743B (nl) | 1976-02-16 |
Family
ID=13099388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL686812958A NL148743B (nl) | 1967-09-12 | 1968-09-11 | Gloeilamp met regeneratieve cyclus. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3584254A (de) |
| DE (1) | DE1764954C3 (de) |
| FR (1) | FR1580664A (de) |
| GB (1) | GB1171578A (de) |
| NL (1) | NL148743B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453107A (en) * | 1982-01-22 | 1984-06-05 | Gte Products Corporation | Long life tungsten halogen lamp with hydrogen bromide and methyl bromide |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3091718A (en) * | 1960-07-08 | 1963-05-28 | Duro Test Corp | Constant lumen maintenance lamp |
| US3277330A (en) * | 1960-07-15 | 1966-10-04 | Polaroid Corp | Incandescent lamp with tac filament and cyanide-radical producing and halogen atmosphere |
| GB1047302A (de) * | 1963-03-28 | |||
| NL6407446A (de) * | 1964-07-01 | 1966-01-03 |
-
1968
- 1968-09-05 GB GB42263/68A patent/GB1171578A/en not_active Expired
- 1968-09-10 US US758700A patent/US3584254A/en not_active Expired - Lifetime
- 1968-09-11 NL NL686812958A patent/NL148743B/xx not_active IP Right Cessation
- 1968-09-11 FR FR1580664D patent/FR1580664A/fr not_active Expired
- 1968-09-11 DE DE1764954A patent/DE1764954C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1171578A (en) | 1969-11-19 |
| DE1764954A1 (de) | 1972-03-23 |
| NL148743B (nl) | 1976-02-16 |
| DE1764954C3 (de) | 1974-03-14 |
| US3584254A (en) | 1971-06-08 |
| FR1580664A (de) | 1969-09-05 |
| DE1764954B2 (de) | 1973-08-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: MATSUSHITA |