Patent Explorer
Browse, filter, and analyze 8 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2737342A | Rotary magnetic data storage system | Teleregister Corp | Expired / Lapsed | 1948-08-04 | 1956-03-06 | 1968-08-04 | 0.0 yrs | 0 | |
| US2564403A | Electrical and cyclical data posting system | Teleregister Corp | Expired / Lapsed | 1949-01-27 | 1951-08-14 | 1969-01-27 | 0.0 yrs | 0 | |
| US2432324A | Registering system | Teleregister Corp | Expired / Lapsed | 1940-08-09 | 1947-12-09 | 1960-08-09 | 0.0 yrs | 0 | |
| US2411441A | Telegraph receiving distributor system | Teleregister Corp | Expired / Lapsed | 1944-07-28 | 1946-11-19 | 1964-07-28 | 0.0 yrs | 0 | |
| US2248822A | Signaling system | Teleregister Corp | Expired / Lapsed | 1935-12-21 | 1941-07-08 | 1955-12-21 | 0.0 yrs | 0 | |
| US2246449A | Communication and posting system | Teleregister Corp | Expired / Lapsed | 1940-04-17 | 1941-06-17 | 1960-04-17 | 0.0 yrs | 0 | |
| US2202392A | Quotation system | Teleregister Corp | Expired / Lapsed | 1932-01-26 | 1940-05-28 | 1952-01-26 | 0.0 yrs | 0 | |
| US2181682A | Electric long-distance indicating system | Teleregister Corp | Expired / Lapsed | 1930-09-05 | 1939-11-28 | 1950-09-05 | 0.0 yrs | 0 |