NL30768C - - Google Patents
Info
- Publication number
- NL30768C NL30768C NL30768DA NL30768C NL 30768 C NL30768 C NL 30768C NL 30768D A NL30768D A NL 30768DA NL 30768 C NL30768 C NL 30768C
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE365434X | 1930-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30768C true NL30768C (en:Method) |
Family
ID=6317589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30768D NL30768C (en:Method) | 1930-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1930090A (en:Method) |
| DE (1) | DE569422C (en:Method) |
| FR (1) | FR706704A (en:Method) |
| GB (1) | GB365434A (en:Method) |
| NL (1) | NL30768C (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636146A (en) * | 1950-05-26 | 1953-04-21 | Univ California | Ion gauge |
| US2666866A (en) * | 1950-06-13 | 1954-01-19 | Rca Corp | Ruggedized electron tube |
| US2881345A (en) * | 1953-02-03 | 1959-04-07 | Claude General Neon Lights Ltd | Low pressure mercury vapour electric discharge lamps |
| US4278910A (en) * | 1979-08-06 | 1981-07-14 | Gte Products Corporation | High pressure arc discharge lamp having concave shaped outer jacket |
| US5757134A (en) * | 1996-10-25 | 1998-05-26 | Osram Sylvania Inc. | Mica heat shield for high intensity discharge lamp |
-
0
- NL NL30768D patent/NL30768C/xx active
-
1930
- 1930-10-14 DE DE1930569422D patent/DE569422C/de not_active Expired
- 1930-11-29 FR FR706704D patent/FR706704A/fr not_active Expired
-
1931
- 1931-04-16 GB GB11268/31A patent/GB365434A/en not_active Expired
- 1931-05-12 US US536803A patent/US1930090A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB365434A (en) | 1932-01-21 |
| FR706704A (fr) | 1931-06-29 |
| DE569422C (de) | 1933-02-02 |
| US1930090A (en) | 1933-10-10 |