Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2770232A | Respirator system | Smith Welding Equipment Corp | Expired / Lapsed | 1954-05-26 | 1956-11-13 | 1974-05-26 | 0.0 yrs | 0 | |
| US2254757A | Process of making torch tips | Smith Welding Equipment Corp | Expired / Lapsed | 1939-07-03 | 1941-09-02 | 1959-07-03 | 0.0 yrs | 0 | |
| US1976098A | Air pump | Smith Welding Equipment Corp | Expired / Lapsed | 1933-07-27 | 1934-10-09 | 1953-07-27 | 0.0 yrs | 0 |