Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2784789A | Well packer | CONTINENTAL ASSURANCE Co | Expired / Lapsed | 1951-12-24 | 1957-03-12 | 1971-12-24 | 0.0 yrs | 0 | |
| US2766831A | Selective cross-over packer | CONTINENTAL ASSURANCE Co | Expired / Lapsed | 1950-03-06 | 1956-10-16 | 1970-03-06 | 0.0 yrs | 0 |