NL20578C - - Google Patents
Info
- Publication number
- NL20578C NL20578C NL20578DA NL20578C NL 20578 C NL20578 C NL 20578C NL 20578D A NL20578D A NL 20578DA NL 20578 C NL20578 C NL 20578C
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/22—Exhausting, degassing, filling, or cleaning vessels
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1655502X | 1926-04-10 | ||
| GB12492/26A GB268986A (en) | 1926-04-10 | 1926-05-14 | Improvements in or relating to electric incandescent lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20578C true NL20578C (en) |
Family
ID=26249053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL20578D NL20578C (en) | 1926-04-10 | 1926-04-10 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1655502A (en) |
| GB (1) | GB268986A (en) |
| NL (1) | NL20578C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2444423A (en) * | 1945-10-08 | 1948-07-06 | Tung Sol Lamp Works Inc | Incandescent lamp and the like |
| BE544825A (en) * | 1953-08-24 | |||
| US2837680A (en) * | 1954-04-28 | 1958-06-03 | Machlett Lab Inc | Electrode support |
-
1926
- 1926-04-10 NL NL20578D patent/NL20578C/xx active
- 1926-05-14 GB GB12492/26A patent/GB268986A/en not_active Expired
-
1927
- 1927-03-11 US US174626A patent/US1655502A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1655502A (en) | 1928-01-10 |
| GB268986A (en) | 1927-04-14 |