Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2331321A | Process of making composite fabric | Beckwith Manufacturing Co | Expired / Lapsed | 1942-03-21 | 1943-10-12 | 1962-03-21 | 0.0 yrs | 0 | |
| US2251252A | Air filter material for vacuum cleaners and the like | Beckwith Manufacturing Co | Expired / Lapsed | 1940-09-11 | 1941-07-29 | 1960-09-11 | 0.0 yrs | 0 |