Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2316981A | Article recovering implement | Spencer Turbine Co | Expired / Lapsed | 1942-11-30 | 1943-04-20 | 1962-11-30 | 0.0 yrs | 0 | |
| US2035400A | Vacuum cleaner | Spencer Turbine Co | Expired / Lapsed | 1933-02-01 | 1936-03-24 | 1953-02-01 | 0.0 yrs | 0 | |
| US1487038A | Device for controlling valve movements in pressure apparatus | Spencer Turbine Co | Expired / Lapsed | 1920-01-05 | 1924-03-18 | 1940-01-05 | 0.0 yrs | 0 |