General American Transportation Corp
General AmActive Patents
0
Total Holdings
21
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3605775A | Method to control dosage of additive into treatment process… | Expired / Lapsed | 1969-11-18 | 1971-09-20 | 0 | Details |
| US3572099A | Ultrasonic non-destructive testing apparatus and method | Expired / Lapsed | 1968-08-23 | 1971-03-23 | 0 | Details |
| US3336851A | Automatic focusing apparatus and method | Expired / Lapsed | 1965-03-01 | 1967-08-22 | 2 | Details |
| US3253625A | Driving bits for non-removable screw fasteners | Expired / Lapsed | 1965-09-03 | 1966-05-31 | 2 | Details |
| US3102496A | Loading and unloading systems for bodies of railway cars or… | Expired / Lapsed | 1961-07-21 | 1963-09-03 | 2 | Details |
| US3073207A | Screw having roll-formed thread fully formed up to head thr… | Expired / Lapsed | 1959-01-26 | 1963-01-15 | 2 | Details |
| US3040439A | Solids fluidizing vessel and gas diffuser plate and nozzle … | Expired / Lapsed | 1959-07-21 | 1962-06-26 | 0 | Details |
| US2970347A | Hatch plugs | Expired / Lapsed | 1957-05-16 | 1961-02-07 | 0 | Details |
| US2928757A | Process of chemical nickel plating of amphoteric elements a… | Expired / Lapsed | 1957-11-27 | 1960-03-15 | 2 | Details |
| US2848359A | Methods of making printed electric circuits | Expired / Lapsed | 1955-06-20 | 1958-08-19 | 2 | Details |
| US2819187A | Chemical nickel plating processes and baths therefor | Expired / Lapsed | 1955-03-03 | 1958-01-07 | 2 | Details |
| US2819188A | Processes of chemical nickel plating | Expired / Lapsed | 1954-05-18 | 1958-01-07 | 2 | Details |
| US2772183A | Chemical nickel plating processes | Expired / Lapsed | 1953-09-24 | 1956-11-27 | 1 | Details |
| US2762723A | Processes of chemical nickel plating and baths therefor | Expired / Lapsed | 1953-06-03 | 1956-09-11 | 2 | Details |
| US2694017A | Process of chemical nickel plating of aluminum and its allo… | Expired / Lapsed | 1952-09-16 | 1954-11-09 | 2 | Details |
| US2690403A | Chemical nickel plating on nonmetallic materials | Expired / Lapsed | 1953-07-24 | 1954-09-28 | 2 | Details |
| US2690402A | Processes of chemical nickel plating of nonmetallic bodies | Expired / Lapsed | 1952-04-01 | 1954-09-28 | 2 | Details |
| US2690401A | Chemical nickel plating on nonmetallic materials | Expired / Lapsed | 1951-06-07 | 1954-09-28 | 2 | Details |
| US2658841A | Process of chemical nickel plating and bath therefor | Expired / Lapsed | 1950-11-08 | 1953-11-10 | 2 | Details |
| US2642818A | Refrigerator car | Expired / Lapsed | 1947-11-05 | 1953-06-23 | 0 | Details |
| US2629899A | Method of smoothing and shaping cellular polystyrene | Expired / Lapsed | 1949-10-13 | 1953-03-03 | 2 | Details |