Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2440725A | Method of making composite plastic lined metal pipe | American Pipe and Construction Co | Expired / Lapsed | 1944-09-04 | 1948-05-04 | 1964-09-04 | 0.0 yrs | 0 | |
| US2417881A | Method of making plastic-metal pipe | American Pipe and Construction Co | Expired / Lapsed | 1943-12-13 | 1947-03-25 | 1963-12-13 | 0.0 yrs | 0 |