LUCAS DURALITH AKT Corp
LUCAS DURAActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4449023A | Transparent switch having fine line conductors | Expired / Lapsed | 1982-12-23 | 1984-05-15 | 9 | Details |
| US4409450A | Double pole membrane switch having preferred sequence closi… | Expired / Lapsed | 1982-07-29 | 1983-10-11 | 12 | Details |
| US4066851A | Keyboard switch assembly having foldable printed circuit bo… | Expired / Lapsed | 1976-07-01 | 1978-01-03 | 21 | Details |
| US4046975A | Keyboard switch assembly having internal gas passages prefo… | Expired / Lapsed | 1975-09-22 | 1977-09-06 | 12 | Details |
| US3978297A | Keyboard switch assembly with improved pushbutton and assoc… | Expired / Lapsed | 1975-03-31 | 1976-08-31 | 8 | Details |
| US3862381A | Keyboard switch assembly with multilayer, coextensive conta… | Expired / Lapsed | 1973-10-29 | 1975-01-21 | 19 | Details |
| US3862382A | Keyboards switch assembly with multilayer pattern contact m… | Expired / Lapsed | 1973-10-29 | 1975-01-21 | 30 | Details |
| US3860771A | Keyboard switch assembly with dome shaped actuator having a… | Expired / Lapsed | 1973-10-29 | 1975-01-14 | 52 | Details |
| US3789167A | Multi-output level keyboard switch assembly with improved o… | Expired / Lapsed | 1972-12-20 | 1974-01-29 | 8 | Details |
| US3773998A | Pedestal and spring member for key actuator of diaphragm sw… | Expired / Lapsed | 1972-10-16 | 1973-11-20 | 8 | Details |
| US3721778A | Keyboard switch assembly with improved operator and contact… | Expired / Lapsed | 1971-06-21 | 1973-03-20 | 9 | Details |
| US3705276A | Keyboard switch assembly with conductive plastic contactor … | Expired / Lapsed | 1971-05-20 | 1972-12-05 | 20 | Details |
| US3383487A | Thin flexible magnetic switch | Expired / Lapsed | 1966-07-18 | 1968-05-14 | 0 | Details |