Patent Explorer
Browse, filter, and analyze 6 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2684690A | Flow control apparatus | Paper Patents Co | Expired / Lapsed | 1949-10-01 | 1954-07-27 | 1969-10-01 | 0.0 yrs | 0 | |
| US2607495A | Filter unit | Paper Patents Co | Expired / Lapsed | 1946-05-03 | 1952-08-19 | 1966-05-03 | 0.0 yrs | 0 | |
| US2497712A | Process of manufacturing a fibrous sheet covered plywood | Paper Patents Co | Expired / Lapsed | 1944-06-05 | 1950-02-14 | 1964-06-05 | 0.0 yrs | 2 | |
| US2303087A | Apparatus for compressing creped wadding | Paper Patents Co | Expired / Lapsed | 1938-12-24 | 1942-11-24 | 1958-12-24 | 0.0 yrs | 0 | |
| US1992215A | Paper wadding | Paper Patents Co | Expired / Lapsed | 1931-11-23 | 1935-02-26 | 1951-11-23 | 0.0 yrs | 0 | |
| US1991599A | Paper inspection process and apparatus | Paper Patents Co | Expired / Lapsed | 1933-12-01 | 1935-02-19 | 1953-12-01 | 0.0 yrs | 0 |