National Automatic Tool Co Inc
National AActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3302492A | Sensing device | Expired / Lapsed | 1964-11-17 | 1967-02-07 | 2 | Details |
| US2684017A | Hydraulic and electric control for machine tools | Expired / Lapsed | 1952-03-26 | 1954-07-20 | 0 | Details |
| US2483712A | Machine tool | Expired / Lapsed | 1945-05-04 | 1949-10-04 | 0 | Details |
| US2176606A | Combined drilling and tapping unit | Expired / Lapsed | 1937-11-06 | 1939-10-17 | 0 | Details |
| US2084562A | Timing relay for machine tools | Expired / Lapsed | 1932-12-02 | 1937-06-22 | 0 | Details |
| US2013420A | Preset starting device | Expired / Lapsed | 1932-06-24 | 1935-09-03 | 0 | Details |
| US1979710A | Dual control for hydraulic transmission | Expired / Lapsed | 1931-11-26 | 1934-11-06 | 0 | Details |
| US1787782A | Hydraulically-operated vertical drill | Expired / Lapsed | 1927-04-02 | 1931-01-06 | 0 | Details |
| US1766118A | Feed control for hydraulically-operated machines | Expired / Lapsed | 1928-09-08 | 1930-06-24 | 0 | Details |