FR2172352A1 - - Google Patents
Info
- Publication number
- FR2172352A1 FR2172352A1 FR7305564A FR7305564A FR2172352A1 FR 2172352 A1 FR2172352 A1 FR 2172352A1 FR 7305564 A FR7305564 A FR 7305564A FR 7305564 A FR7305564 A FR 7305564A FR 2172352 A1 FR2172352 A1 FR 2172352A1
- 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.)
- Granted
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 |
|---|---|---|---|
| NL7201996A NL7201996A (OSRAM) | 1972-02-16 | 1972-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2172352A1 true FR2172352A1 (OSRAM) | 1973-09-28 |
| FR2172352B1 FR2172352B1 (OSRAM) | 1976-09-10 |
Family
ID=19815373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7305564A Expired FR2172352B1 (OSRAM) | 1972-02-16 | 1973-02-16 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4889588A (OSRAM) |
| BE (1) | BE795436A (OSRAM) |
| CA (1) | CA963073A (OSRAM) |
| DE (1) | DE2303966A1 (OSRAM) |
| FR (1) | FR2172352B1 (OSRAM) |
| GB (1) | GB1371746A (OSRAM) |
| IT (1) | IT979067B (OSRAM) |
| NL (1) | NL7201996A (OSRAM) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1023850A (en) * | 1962-11-19 | 1966-03-30 | Philips Electronic Associated | Improvements in or relating to incandescent lamps |
-
0
- BE BE795436D patent/BE795436A/xx unknown
-
1972
- 1972-02-16 NL NL7201996A patent/NL7201996A/xx unknown
-
1973
- 1973-01-27 DE DE19732303966 patent/DE2303966A1/de active Pending
- 1973-02-12 CA CA163,523A patent/CA963073A/en not_active Expired
- 1973-02-13 GB GB697673A patent/GB1371746A/en not_active Expired
- 1973-02-13 JP JP1713973A patent/JPS4889588A/ja active Pending
- 1973-02-13 IT IT2033673A patent/IT979067B/it active
- 1973-02-16 FR FR7305564A patent/FR2172352B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1023850A (en) * | 1962-11-19 | 1966-03-30 | Philips Electronic Associated | Improvements in or relating to incandescent lamps |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1371746A (en) | 1974-10-23 |
| JPS4889588A (OSRAM) | 1973-11-22 |
| DE2303966A1 (de) | 1973-08-23 |
| CA963073A (en) | 1975-02-18 |
| BE795436A (fr) | 1973-08-14 |
| NL7201996A (OSRAM) | 1973-08-20 |
| IT979067B (it) | 1974-09-30 |
| FR2172352B1 (OSRAM) | 1976-09-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |