NL19175B - - Google Patents
Info
- Publication number
- NL19175B NL19175B NL19175DA NL19175B NL 19175 B NL19175 B NL 19175B NL 19175D A NL19175D A NL 19175DA NL 19175 B NL19175 B NL 19175B
- 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
- H01J61/92—Lamps with more than one main discharge path
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP39703D DE355249C (de) | 1920-04-28 | 1920-04-28 | Wolframbogenlampe |
| US46131021A | 1921-04-14 | 1921-04-14 | |
| US738997A US1593381A (en) | 1920-04-28 | 1924-09-22 | Tungsten arc lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19175B true NL19175B (de) |
Family
ID=27211987
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL19175D NL19175B (de) | 1920-04-28 | ||
| NL19175A NL9624C (de) | 1920-04-28 | 1921-04-13 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL19175A NL9624C (de) | 1920-04-28 | 1921-04-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1593381A (de) |
| DE (1) | DE355249C (de) |
| FR (1) | FR533148A (de) |
| GB (1) | GB162651A (de) |
| NL (2) | NL9624C (de) |
-
0
- NL NL19175D patent/NL19175B/xx unknown
-
1920
- 1920-04-28 DE DEP39703D patent/DE355249C/de not_active Expired
-
1921
- 1921-03-31 FR FR533148D patent/FR533148A/fr not_active Expired
- 1921-04-13 NL NL19175A patent/NL9624C/xx active
- 1921-04-19 GB GB11289/21A patent/GB162651A/en not_active Expired
-
1924
- 1924-09-22 US US738997A patent/US1593381A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1593381A (en) | 1926-07-20 |
| NL9624C (de) | 1923-09-15 |
| FR533148A (fr) | 1922-02-22 |
| GB162651A (en) | 1921-08-04 |
| DE355249C (de) | 1922-06-23 |