NL82247C - - Google Patents
Info
- Publication number
- NL82247C NL82247C NL82247DC NL82247C NL 82247 C NL82247 C NL 82247C NL 82247D C NL82247D C NL 82247DC NL 82247 C NL82247 C NL 82247C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL861284X | 1950-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL82247C true NL82247C (de) |
Family
ID=19849111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL82247D NL82247C (de) | 1950-07-19 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2733372A (de) |
| DE (1) | DE861284C (de) |
| NL (1) | NL82247C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE557018A (de) * | 1956-04-28 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE21954E (en) * | 1941-11-25 | Electric lamp | ||
| US2004585A (en) * | 1931-04-15 | 1935-06-11 | Gen Electric | Gaseous electric discharge device |
| US1990175A (en) * | 1931-05-29 | 1935-02-05 | Gen Electric Vapor Lamp Co | Gaseous electric discharge device |
| US1951143A (en) * | 1933-07-13 | 1934-03-13 | Gen Electric Vapor Lamp Co | Gaseous electric discharge device |
| GB434028A (en) * | 1934-02-26 | 1935-08-26 | British Thomson Houston Co Ltd | Improvements in and relating to electric discharge devices |
| US2187774A (en) * | 1937-10-08 | 1940-01-23 | Gen Electric | Electric discharge lamp adapted for use as source in optical projection apparatus |
| US2462781A (en) * | 1946-06-05 | 1949-02-22 | William Martin Jr | Elevator position indicator |
-
0
- NL NL82247D patent/NL82247C/xx active
- US US2733372D patent/US2733372A/en not_active Expired - Lifetime
-
1951
- 1951-07-15 DE DEN4164A patent/DE861284C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2733372A (en) | 1956-01-31 |
| DE861284C (de) | 1952-12-29 |