Highway Trailer Co
Highway TrActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1973610A | Automatic coupling and shut-off mechanism for vehicle hose … | Expired / Lapsed | 1932-09-19 | 1934-09-11 | 0 | Details |
| US1921812A | Pole setting apparatus | Expired / Lapsed | 1929-03-13 | 1933-08-08 | 0 | Details |
| US1920390A | Fifth wheel construction | Expired / Lapsed | 1928-06-13 | 1933-08-01 | 0 | Details |
| US1743437A | Trailer-frame structure | Expired / Lapsed | 1927-09-10 | 1930-01-14 | 0 | Details |
| US1677618A | Industrial trailer | Expired / Lapsed | 1925-08-24 | 1928-07-17 | 0 | Details |
| US1635659A | Automatic pintle hook | Expired / Lapsed | 1926-08-30 | 1927-07-12 | 0 | Details |
| US1471548A | Two-wheeled trailer | Expired / Lapsed | 1919-04-25 | 1923-10-23 | 0 | Details |