FR2143972A1 - - Google Patents
Info
- Publication number
- FR2143972A1 FR2143972A1 FR7224048A FR7224048A FR2143972A1 FR 2143972 A1 FR2143972 A1 FR 2143972A1 FR 7224048 A FR7224048 A FR 7224048A FR 7224048 A FR7224048 A FR 7224048A FR 2143972 A1 FR2143972 A1 FR 2143972A1
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
- H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
- H01J17/492—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with crossed electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15818571A | 1971-06-30 | 1971-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143972A1 true FR2143972A1 (enrdf_load_stackoverflow) | 1973-02-09 |
FR2143972B1 FR2143972B1 (enrdf_load_stackoverflow) | 1978-03-03 |
Family
ID=22567004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7224048A Expired FR2143972B1 (enrdf_load_stackoverflow) | 1971-06-30 | 1972-06-27 |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA969594A (enrdf_load_stackoverflow) |
DE (1) | DE2223935A1 (enrdf_load_stackoverflow) |
FR (1) | FR2143972B1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2200610A1 (enrdf_load_stackoverflow) * | 1972-09-27 | 1974-04-19 | Control Data Corp |
-
1972
- 1972-05-17 DE DE19722223935 patent/DE2223935A1/de active Pending
- 1972-06-26 CA CA145,633A patent/CA969594A/en not_active Expired
- 1972-06-27 FR FR7224048A patent/FR2143972B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2200610A1 (enrdf_load_stackoverflow) * | 1972-09-27 | 1974-04-19 | Control Data Corp |
Also Published As
Publication number | Publication date |
---|---|
CA969594A (en) | 1975-06-17 |
DE2223935A1 (de) | 1973-01-18 |
FR2143972B1 (enrdf_load_stackoverflow) | 1978-03-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |