Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2234319A | Fan blade and hub assembly | CHICAGO ELECTRIC MANUFACTURING Co | Expired / Lapsed | 1936-10-03 | 1941-03-11 | 1956-10-03 | 0.0 yrs | 0 | |
| US2228224A | Portable ventilator | CHICAGO ELECTRIC MANUFACTURING Co | Expired / Lapsed | 1938-06-30 | 1941-01-07 | 1958-06-30 | 0.0 yrs | 0 |