FR2136770A5 - - Google Patents
Info
- Publication number
- FR2136770A5 FR2136770A5 FR7215200A FR7215200A FR2136770A5 FR 2136770 A5 FR2136770 A5 FR 2136770A5 FR 7215200 A FR7215200 A FR 7215200A FR 7215200 A FR7215200 A FR 7215200A FR 2136770 A5 FR2136770 A5 FR 2136770A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
|---|---|---|---|
| NL7105839A NL7105839A (enExample) | 1971-04-29 | 1971-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2136770A5 true FR2136770A5 (enExample) | 1972-12-22 |
Family
ID=19813035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7215200A Expired FR2136770A5 (enExample) | 1971-04-29 | 1972-04-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3784275A (enExample) |
| JP (1) | JPS5229546B1 (enExample) |
| CA (1) | CA946457A (enExample) |
| DE (1) | DE2217531B2 (enExample) |
| FR (1) | FR2136770A5 (enExample) |
| GB (1) | GB1318168A (enExample) |
| NL (1) | NL7105839A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4727286A (en) * | 1981-11-16 | 1988-02-23 | Gte Products Corporation | Electric lamp including oxygen getter |
| EP0295592A3 (de) * | 1987-06-13 | 1991-01-02 | Knut Otto Sassmannshausen | Elektrische Lampe |
| JP4596805B2 (ja) * | 2004-03-31 | 2010-12-15 | 財団法人国際科学振興財団 | 真空管製造装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL12824C (enExample) * | 1922-04-27 | |||
| US1612661A (en) * | 1923-07-16 | 1926-12-28 | Westinghouse Lamp Co | Introduction of hygroscopic material into evacuated devices |
| US1817333A (en) * | 1929-02-13 | 1931-08-04 | American Neon Light Corp | Method of preparing luminescent tubes |
| US3475072A (en) * | 1967-05-19 | 1969-10-28 | Gen Electric | Getter for incandescent lamps and similar devices |
-
1971
- 1971-04-29 NL NL7105839A patent/NL7105839A/xx unknown
-
1972
- 1972-04-12 DE DE19722217531 patent/DE2217531B2/de active Granted
- 1972-04-18 US US00245252A patent/US3784275A/en not_active Expired - Lifetime
- 1972-04-26 JP JP47042084A patent/JPS5229546B1/ja active Pending
- 1972-04-26 GB GB1935672A patent/GB1318168A/en not_active Expired
- 1972-04-28 FR FR7215200A patent/FR2136770A5/fr not_active Expired
- 1972-04-28 CA CA140,804A patent/CA946457A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2217531B2 (de) | 1976-07-15 |
| DE2217531A1 (de) | 1972-11-09 |
| CA946457A (en) | 1974-04-30 |
| NL7105839A (enExample) | 1972-10-31 |
| JPS5229546B1 (enExample) | 1977-08-02 |
| US3784275A (en) | 1974-01-08 |
| GB1318168A (en) | 1973-05-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |