Kellogg Switchboard and Supply Co
Kellogg SwActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2590926A | Multirelay electric timer | Expired / Lapsed | 1950-02-07 | 1952-04-01 | 0 | Details |
| US2452431A | Production of vulcanizable elastic coil cables having rever… | Expired / Lapsed | 1945-02-09 | 1948-10-26 | 0 | Details |
| US2334333A | Train dispatcher signal system | Expired / Lapsed | 1941-03-19 | 1943-11-16 | 0 | Details |
| US2298489A | Group-call telephone system | Expired / Lapsed | 1941-09-10 | 1942-10-13 | 0 | Details |
| US2298487A | Credit-authorization telephone system | Expired / Lapsed | 1941-04-17 | 1942-10-13 | 0 | Details |
| US2192421A | Remote reading register | Expired / Lapsed | 1935-11-25 | 1940-03-05 | 0 | Details |
| US2149753A | Composite selector circuit | Expired / Lapsed | 1936-07-20 | 1939-03-07 | 0 | Details |
| US1943395A | Television apparatus | Expired / Lapsed | 1929-11-29 | 1934-01-16 | 0 | Details |
| US1850102A | Winding machine | Expired / Lapsed | 1927-08-24 | 1932-03-22 | 0 | Details |
| US1742462A | Rheostat | Expired / Lapsed | 1924-04-02 | 1930-01-07 | 0 | Details |
| US1682049A | Alarm circuit | Expired / Lapsed | 1924-10-13 | 1928-08-28 | 0 | Details |
| US1514618A | Terminal strip | Expired / Lapsed | 1920-07-12 | 1924-11-11 | 0 | Details |
| US1181513A | Spring binding-post. | Expired / Lapsed | 1913-08-04 | 1916-05-02 | 0 | Details |
| US822590A | Distributing-board. | Expired / Lapsed | 1902-10-11 | 1906-06-05 | 0 | Details |