NL27868C - - Google Patents
Info
- Publication number
- NL27868C NL27868C NL49940A NL49940A NL27868C NL 27868 C NL27868 C NL 27868C NL 49940 A NL49940 A NL 49940A NL 49940 A NL49940 A NL 49940A NL 27868 C NL27868 C NL 27868C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/58—Cooling arrangements
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE1863423X | 1929-08-09 | ||
| BE347636X | 1929-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27868C true NL27868C (nl) | 1932-09-15 |
Family
ID=25661997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49940A NL27868C (nl) | 1929-08-09 | 1932-04-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1863423A (nl) |
| BE (1) | BE365595A (nl) |
| FR (1) | FR696318A (nl) |
| GB (1) | GB347636A (nl) |
| NL (1) | NL27868C (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2423525A (en) * | 1945-02-13 | 1947-07-08 | Grover C Singer | Electric lamp |
-
1929
- 1929-11-22 BE BE365595D patent/BE365595A/xx unknown
-
1930
- 1930-01-04 US US418616A patent/US1863423A/en not_active Expired - Lifetime
- 1930-01-29 GB GB3072/30A patent/GB347636A/en not_active Expired
- 1930-05-30 FR FR696318D patent/FR696318A/fr not_active Expired
-
1932
- 1932-04-15 NL NL49940A patent/NL27868C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| BE365595A (nl) | |
| GB347636A (en) | 1931-04-29 |
| US1863423A (en) | 1932-06-14 |
| FR696318A (fr) | 1930-12-27 |