Patent Explorer
Browse, filter, and analyze 8 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2609068A | Metal foil honeycomb core | Glenn L Martin Co | Expired / Lapsed | 1949-03-11 | 1952-09-02 | 1969-03-11 | 0.0 yrs | 0 | |
| US2552066A | Fastening device | Glenn L Martin Co | Expired / Lapsed | 1944-10-12 | 1951-05-08 | 1964-10-12 | 0.0 yrs | 0 | |
| US2469921A | Valve | Glenn L Martin Co | Expired / Lapsed | 1945-03-07 | 1949-05-10 | 1965-03-07 | 0.0 yrs | 0 | |
| US2453343A | Retainer strip | Glenn L Martin Co | Expired / Lapsed | 1944-07-19 | 1948-11-09 | 1964-07-19 | 0.0 yrs | 0 | |
| US2383840A | Underwater fuel storage system | Glenn L Martin Co | Expired / Lapsed | 1942-11-06 | 1945-08-28 | 1962-11-06 | 0.0 yrs | 0 | |
| US2381739A | Hidden barrier | Glenn L Martin Co | Expired / Lapsed | 1942-04-01 | 1945-08-07 | 1962-04-01 | 0.0 yrs | 0 | |
| US2272725A | Control of aircraft surfaces | Glenn L Martin Co | Expired / Lapsed | 1939-07-13 | 1942-02-10 | 1959-07-13 | 0.0 yrs | 0 | |
| US1766471A | Structural material | Glenn L Martin Co | Expired / Lapsed | 1927-09-16 | 1930-06-24 | 1947-09-16 | 0.0 yrs | 0 |