NL40357C - - Google Patents
Info
- Publication number
- NL40357C NL40357C NL65787A NL65787A NL40357C NL 40357 C NL40357 C NL 40357C NL 65787 A NL65787 A NL 65787A NL 65787 A NL65787 A NL 65787A NL 40357 C NL40357 C NL 40357C
- 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
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL65787D NL65787B (xx) | 1933-06-24 | ||
| AT135809D AT135809B (de) | 1932-06-30 | 1932-08-16 | Elektrische Entladungsröhre. |
| NL65787A NL40357C (xx) | 1933-06-24 | 1933-06-24 | |
| GB13410/34A GB433811A (en) | 1933-06-24 | 1934-05-03 | Improvements in or relating to electric discharge tubes |
| DEP70254D DE632434C (de) | 1933-06-24 | 1934-05-13 | Elektrische Entladungsroehre mit Metalldampffuellung, insbesondere zum Aussenden vonLichtstrahlen |
| AT140942D AT140942B (de) | 1932-06-30 | 1934-06-02 | Elektrische Entladungsröhre. |
| FR44905D FR44905E (fr) | 1933-06-24 | 1934-06-11 | Perfectionnements apportés aux tubes à décharges électriques |
| US730104A US2009221A (en) | 1933-06-24 | 1934-06-11 | Gaseous electric discharge device |
| NL43503D NL43503C (xx) | 1933-06-24 | 1934-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL65787A NL40357C (xx) | 1933-06-24 | 1933-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL40357C true NL40357C (xx) | 1937-03-15 |
Family
ID=34056974
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL65787D NL65787B (xx) | 1933-06-24 | ||
| NL65787A NL40357C (xx) | 1932-06-30 | 1933-06-24 | |
| NL43503D NL43503C (xx) | 1933-06-24 | 1934-12-04 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL65787D NL65787B (xx) | 1933-06-24 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL43503D NL43503C (xx) | 1933-06-24 | 1934-12-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2009221A (xx) |
| DE (1) | DE632434C (xx) |
| FR (1) | FR44905E (xx) |
| GB (1) | GB433811A (xx) |
| NL (3) | NL40357C (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459567A (en) * | 1946-12-21 | 1949-01-18 | Gen Electric | Positive column lamp |
| US2687471A (en) * | 1948-05-01 | 1954-08-24 | Western Union Telegraph Co | Concentrated arc discharge device |
| US2881345A (en) * | 1953-02-03 | 1959-04-07 | Claude General Neon Lights Ltd | Low pressure mercury vapour electric discharge lamps |
| DE1056742B (de) * | 1956-01-13 | 1959-05-06 | British Thomson Houston Co Ltd | Elektrische Natriumdampf-Entladungslampe |
| DE9002959U1 (de) * | 1990-03-15 | 1990-05-17 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Hochdruck-Entladungslampe |
-
0
- NL NL65787D patent/NL65787B/xx unknown
-
1933
- 1933-06-24 NL NL65787A patent/NL40357C/xx active
-
1934
- 1934-05-03 GB GB13410/34A patent/GB433811A/en not_active Expired
- 1934-05-13 DE DEP70254D patent/DE632434C/de not_active Expired
- 1934-06-11 FR FR44905D patent/FR44905E/fr not_active Expired
- 1934-06-11 US US730104A patent/US2009221A/en not_active Expired - Lifetime
- 1934-12-04 NL NL43503D patent/NL43503C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| GB433811A (en) | 1935-08-21 |
| US2009221A (en) | 1935-07-23 |
| DE632434C (de) | 1936-07-08 |
| FR44905E (fr) | 1935-05-01 |
| NL65787B (xx) | |
| NL43503C (xx) | 1938-07-15 |