NL38239C - - Google Patents
Info
- Publication number
- NL38239C NL38239C NL38239DA NL38239C NL 38239 C NL38239 C NL 38239C NL 38239D A NL38239D A NL 38239DA NL 38239 C NL38239 C NL 38239C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US437659A US2199956A (en) | 1930-03-21 | 1930-03-21 | Mercury vapor glow lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38239C true NL38239C (xx) |
Family
ID=23737350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38239D NL38239C (xx) | 1930-03-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2199956A (xx) |
| FR (1) | FR713617A (xx) |
| GB (1) | GB374466A (xx) |
| NL (1) | NL38239C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966968C (de) * | 1948-10-02 | 1957-09-19 | Ulrich W Doering | Medizinisches Geraet fuer kombinierte Ultraviolett- und Infrarotbestrahlung |
| US3046444A (en) * | 1959-04-28 | 1962-07-24 | Raytheon Co | Magnetrons |
-
0
- NL NL38239D patent/NL38239C/xx active
-
1930
- 1930-03-21 US US437659A patent/US2199956A/en not_active Expired - Lifetime
-
1931
- 1931-03-10 GB GB7375/31A patent/GB374466A/en not_active Expired
- 1931-03-20 FR FR713617D patent/FR713617A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR713617A (fr) | 1931-10-30 |
| GB374466A (en) | 1932-06-10 |
| US2199956A (en) | 1940-05-07 |