Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2334544A | Machine tool | Potter & Johnston Machine Co | Expired / Lapsed | 1941-08-26 | 1943-11-16 | 1961-08-26 | 0.0 yrs | 0 | |
| US2255739A | Machine tool | Potter & Johnston Machine Co | Expired / Lapsed | 1938-06-08 | 1941-09-09 | 1958-06-08 | 0.0 yrs | 0 | |
| US1748540A | Turret indexing and locking means | Potter & Johnston Machine Co | Expired / Lapsed | 1927-04-07 | 1930-02-25 | 1947-04-07 | 0.0 yrs | 0 | |
| US1007141A | Tool-operating mechanism for lathes. | Potter & Johnston Machine Co | Expired / Lapsed | — | 1911-10-31 | 1928-10-31 | 0.0 yrs | 0 |