Patent Explorer
Browse, filter, and analyze 20 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2906962A | Sweep generator | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1957-02-27 | 1959-09-29 | 1977-02-27 | 0.0 yrs | 0 | |
| US2826717A | Sensitivity adjusting circuit | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1950-09-23 | 1958-03-11 | 1970-09-23 | 0.0 yrs | 0 | |
| US2819380A | Method and apparatus for making apertured masks | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1953-03-23 | 1958-01-07 | 1973-03-23 | 0.0 yrs | 0 | |
| US2753763A | Electron optical filter | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1952-12-31 | 1956-07-10 | 1972-12-31 | 0.0 yrs | 0 | |
| US2719956A | Electrical connector | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1950-10-23 | 1955-10-04 | 1970-10-23 | 0.0 yrs | 0 | |
| US2702158A | Electronic computer | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1950-04-14 | 1955-02-15 | 1970-04-14 | 0.0 yrs | 0 | |
| US2589386A | Pickup device for color television | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1947-12-02 | 1952-03-18 | 1967-12-02 | 0.0 yrs | 0 | |
| US2546338A | Circuit for minimizing transients during switching between two video channels | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1947-05-13 | 1951-03-27 | 1967-05-13 | 0.0 yrs | 0 | |
| US2490812A | Control for color television | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1946-01-03 | 1949-12-13 | 1966-01-03 | 0.0 yrs | 0 | |
| US2455992A | Cathode-ray tube amusement device | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1947-01-25 | 1948-12-14 | 1967-01-25 | 0.0 yrs | 0 | |
| US2451590A | Process of forming a luminescent screen | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1945-07-06 | 1948-10-19 | 1965-07-06 | 0.0 yrs | 0 | |
| US2448814A | Device for selecting metal pieces | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1944-07-12 | 1948-09-07 | 1964-07-12 | 0.0 yrs | 0 | |
| US2445933A | Controlled blocking tube oscillator | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1945-01-23 | 1948-07-27 | 1965-01-23 | 0.0 yrs | 0 | |
| US2444560A | Cathode-ray tube spectrograph | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1944-04-15 | 1948-07-06 | 1964-04-15 | 0.0 yrs | 0 | |
| US2373114A | Television film recording and projection | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1941-06-21 | 1945-04-10 | 1961-06-21 | 0.0 yrs | 0 | |
| US2355363A | Cathode-ray ignition analyzer | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1942-09-29 | 1944-08-08 | 1962-09-29 | 0.0 yrs | 0 | |
| US2297752A | Monitoring and control system | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1940-08-03 | 1942-10-06 | 1960-08-03 | 0.0 yrs | 0 | |
| US2297742A | Blocking tube oscillator for television | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1941-07-15 | 1942-10-06 | 1961-07-15 | 0.0 yrs | 0 | |
| US2208254A | Amplifier | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1939-09-27 | 1940-07-16 | 1959-09-27 | 0.0 yrs | 0 | |
| US2157749A | Method and system for television communication | Allen B du Mont Laboratories Inc | Expired / Lapsed | 1938-01-11 | 1939-05-09 | 1958-01-11 | 0.0 yrs | 0 |