NL13401C - - Google Patents
Info
- Publication number
- NL13401C NL13401C NL13401DA NL13401C NL 13401 C NL13401 C NL 13401C NL 13401D A NL13401D A NL 13401DA NL 13401 C NL13401 C NL 13401C
- 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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL181691X | 1921-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL13401C true NL13401C (en) |
Family
ID=19777413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL13401D NL13401C (en) | 1921-06-14 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE417347C (en) |
| FR (1) | FR551280A (en) |
| GB (1) | GB181691A (en) |
| NL (1) | NL13401C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE419602A (en) * | 1936-01-24 | |||
| DE748239C (en) * | 1936-05-29 | 1944-10-30 | Electric light tube filled exclusively with noble gases with a luminophore layer attached to the inside of the tube | |
| US4978892A (en) * | 1988-12-27 | 1990-12-18 | Polaroid Corporation | Variable color-output strobe |
-
0
- NL NL13401D patent/NL13401C/xx active
-
1922
- 1922-05-02 DE DEN21073D patent/DE417347C/en not_active Expired
- 1922-05-11 GB GB13343/22A patent/GB181691A/en not_active Expired
- 1922-05-11 FR FR551280D patent/FR551280A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB181691A (en) | 1923-09-11 |
| DE417347C (en) | 1925-08-10 |
| FR551280A (en) | 1923-03-31 |