Patent Explorer
Browse, filter, and analyze 11 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3076166A | Electrical connector for printed circuit cards | Monroe Calculating Machine Co | Expired / Lapsed | 1960-09-30 | 1963-01-29 | 1980-09-30 | 0.0 yrs | 2 | |
| US2860323A | Means for synchronizing a pair of data handling devices | Monroe Calculating Machine Co | Expired / Lapsed | 1953-07-24 | 1958-11-11 | 1973-07-24 | 0.0 yrs | 0 | |
| US2844811A | Switching circuits | Monroe Calculating Machine Co | Expired / Lapsed | 1952-08-20 | 1958-07-22 | 1972-08-20 | 0.0 yrs | 0 | |
| US2813259A | Magnetic tape recording systems | Monroe Calculating Machine Co | Expired / Lapsed | 1954-04-12 | 1957-11-12 | 1974-04-12 | 0.0 yrs | 0 | |
| US2739299A | Magnetic storage systems for computers and the like | Monroe Calculating Machine Co | Expired / Lapsed | 1951-05-25 | 1956-03-20 | 1971-05-25 | 0.0 yrs | 0 | |
| US2716230A | Keyboard checking alarm | Monroe Calculating Machine Co | Expired / Lapsed | 1952-11-08 | 1955-08-23 | 1972-11-08 | 0.0 yrs | 0 | |
| US2700755A | Keyboard checking circuit | Monroe Calculating Machine Co | Expired / Lapsed | 1951-11-09 | 1955-01-25 | 1971-11-09 | 0.0 yrs | 0 | |
| US2641753A | Photoelectric keyboard | Monroe Calculating Machine Co | Expired / Lapsed | 1951-07-14 | 1953-06-09 | 1971-07-14 | 0.0 yrs | 0 | |
| US2638542A | Shift register | Monroe Calculating Machine Co | Expired / Lapsed | 1952-01-31 | 1953-05-12 | 1972-01-31 | 0.0 yrs | 0 | |
| US2633402A | Magnetic spot recorder for statistical data | Monroe Calculating Machine Co | Expired / Lapsed | 1950-12-16 | 1953-03-31 | 1970-12-16 | 0.0 yrs | 0 | |
| US2325365A | Magnetic compass | Monroe Calculating Machine Co | Expired / Lapsed | 1943-01-23 | 1943-07-27 | 1963-01-23 | 0.0 yrs | 0 |