American Machine and Metals Inc
American MActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3013666A | Filter | Expired / Lapsed | 1960-07-11 | 1961-12-19 | 0 | Details |
| US2939061A | Indicator servosystem | Expired / Lapsed | 1957-11-29 | 1960-05-31 | 0 | Details |
| US2820117A | Switch | Expired / Lapsed | 1955-07-06 | 1958-01-14 | 0 | Details |
| US2738497A | Panel mounted casing containing synchro-transformer, amplif… | Expired / Lapsed | 1952-04-24 | 1956-03-13 | 0 | Details |
| US2706812A | Null balance control systems | Expired / Lapsed | 1951-10-20 | 1955-04-19 | 0 | Details |
| US2608207A | Sealed float rod | Expired / Lapsed | 1947-01-15 | 1952-08-26 | 0 | Details |
| US2568238A | Fluid separating diaphragm in fitting for pressure gauges | Expired / Lapsed | 1946-02-27 | 1951-09-18 | 0 | Details |
| US2540444A | Pressure-indicating gauge closing switches at selected pres… | Expired / Lapsed | 1948-04-30 | 1951-02-06 | 0 | Details |
| US2486058A | Air drying tumbler for laundry | Expired / Lapsed | 1945-03-16 | 1949-10-25 | 0 | Details |
| US2479153A | Reversing and stop control for electric motors | Expired / Lapsed | 1944-04-27 | 1949-08-16 | 0 | Details |
| US2422825A | Delinting screen | Expired / Lapsed | 1943-11-18 | 1947-06-24 | 0 | Details |
| US2367009A | Fluid system control | Expired / Lapsed | 1941-03-22 | 1945-01-09 | 0 | Details |
| US2344133A | Fluid system control | Expired / Lapsed | 1941-06-09 | 1944-03-14 | 0 | Details |
| US2307254A | Cleaning machine | Expired / Lapsed | 1939-01-27 | 1943-01-05 | 0 | Details |
| US2278769A | Cleaning machine | Expired / Lapsed | 1938-11-30 | 1942-04-07 | 0 | Details |
| US2273152A | Hydraulic pressure control for testing machines | Expired / Lapsed | 1938-03-21 | 1942-02-17 | 0 | Details |
| US2236748A | Washing machine | Expired / Lapsed | 1938-05-28 | 1941-04-01 | 0 | Details |
| US2004571A | Fan | Expired / Lapsed | 1931-09-08 | 1935-06-11 | 0 | Details |
| US1997990A | Washing machine | Expired / Lapsed | 1928-09-25 | 1935-04-16 | 0 | Details |