NL4052C - - Google Patents
Info
- Publication number
- NL4052C NL4052C NL6613A NL6613A NL4052C NL 4052 C NL4052 C NL 4052C NL 6613 A NL6613 A NL 6613A NL 6613 A NL6613 A NL 6613A NL 4052 C NL4052 C NL 4052C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE303770T | 1915-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL4052C true NL4052C (forum.php) | 1919-11-15 |
Family
ID=32739652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6613A NL4052C (forum.php) | 1915-05-05 | 1916-02-02 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE303770C (forum.php) |
| FR (1) | FR512567A (forum.php) |
| GB (1) | GB100387A (forum.php) |
| NL (1) | NL4052C (forum.php) |
-
1915
- 1915-05-05 DE DE1915303770D patent/DE303770C/de not_active Expired
-
1916
- 1916-02-02 NL NL6613A patent/NL4052C/xx active
- 1916-02-10 FR FR512567D patent/FR512567A/fr not_active Expired
- 1916-02-23 GB GB270416A patent/GB100387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE303770C (forum.php) | 1918-02-06 |
| FR512567A (fr) | 1921-01-26 |
| GB100387A (forum.php) | 1916-10-12 |