Commercial Shearing Inc
CommercialActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3421769A | Shaft seals | Expired / Lapsed | 1964-08-27 | 1969-01-14 | 2 | Details |
| US2714856A | Rotary pump or motor | Expired / Lapsed | 1950-01-18 | 1955-08-09 | 0 | Details |
| US2707441A | Rotary pump or motor | Expired / Lapsed | 1952-07-01 | 1955-05-03 | 0 | Details |
| US2217292A | Liner segment | Expired / Lapsed | 1939-06-28 | 1940-10-08 | 0 | Details |
| US1991227A | Control valve | Expired / Lapsed | 1932-07-30 | 1935-02-12 | 0 | Details |
| US1914963A | Adjustable draft rigging | Expired / Lapsed | 1931-08-22 | 1933-06-20 | 0 | Details |
| US1764766A | Supporting bracket | Expired / Lapsed | 1927-10-15 | 1930-06-17 | 0 | Details |