Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2250722A | Liquid depth sampling device and method of obtaining samples | Jeffrey Manufacturing Co | Expired / Lapsed | 1939-01-12 | 1941-07-29 | 1959-01-12 | 0.0 yrs | 0 | |
| US2168663A | Plug type switch | Jeffrey Manufacturing Co | Expired / Lapsed | 1936-04-03 | 1939-08-08 | 1956-04-03 | 0.0 yrs | 0 |