NL51546C - - Google Patents
Info
- Publication number
- NL51546C NL51546C NL51546DA NL51546C NL 51546 C NL51546 C NL 51546C NL 51546D A NL51546D A NL 51546DA NL 51546 C NL51546 C NL 51546C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL208437X | 1937-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL51546C true NL51546C (zh) |
Family
ID=19778687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL51546D NL51546C (zh) | 1937-11-02 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2203897A (zh) |
| BE (1) | BE430899A (zh) |
| CH (1) | CH208437A (zh) |
| DE (1) | DE711881C (zh) |
| FR (1) | FR845482A (zh) |
| GB (1) | GB520835A (zh) |
| NL (1) | NL51546C (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2455394A (en) * | 1943-06-29 | 1948-12-07 | Sperry Corp | Accelerometer |
| US2462837A (en) * | 1945-10-08 | 1949-03-01 | Tung Sol Lamp Works Inc | Incandescent lamp |
| US2489261A (en) * | 1948-04-15 | 1949-11-29 | Tung Sol Lamp Works Inc | Metallic filament incandescent electric lamp and the manufacture thereof |
| DE1015145B (de) * | 1953-12-05 | 1957-09-05 | Egyesuelt Izzolampa | Gasgefuellte elektrische Gluehlampe, insbesondere mit einem Schirm versehene gasgefuellte Gluehlampe, z.B. Autolampe, und dafuer bestimmter Getter |
| US3519864A (en) * | 1966-12-29 | 1970-07-07 | Sylvania Electric Prod | High pressure electric discharge device with barium peroxide getter and getter mounting structure |
-
0
- NL NL51546D patent/NL51546C/xx active
- BE BE430899D patent/BE430899A/xx unknown
-
1938
- 1938-10-27 US US237365A patent/US2203897A/en not_active Expired - Lifetime
- 1938-10-31 CH CH208437D patent/CH208437A/de unknown
- 1938-10-31 GB GB31517/38A patent/GB520835A/en not_active Expired
- 1938-10-31 FR FR845482D patent/FR845482A/fr not_active Expired
- 1938-11-01 DE DEN42618D patent/DE711881C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE430899A (zh) | |
| GB520835A (en) | 1940-05-06 |
| FR845482A (fr) | 1939-08-24 |
| US2203897A (en) | 1940-06-11 |
| CH208437A (de) | 1940-01-31 |
| DE711881C (de) | 1941-10-08 |