Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3497267A | Impulse brake system | Berg Manufacturing and Sales Co | Expired / Lapsed | 1968-09-23 | 1970-02-24 | 1988-09-23 | 0.0 yrs | 0 | |
| US3443841A | Compressed air brake system for a trailer having a magnetic permanent brake valve | Berg Manufacturing and Sales Co | Expired / Lapsed | 1966-12-15 | 1969-05-13 | 1986-12-15 | 0.0 yrs | 0 | |
| US3390920A | Dual appolication valve | Berg Manufacturing and Sales Co | Expired / Lapsed | 1966-11-18 | 1968-07-02 | 1986-11-18 | 0.0 yrs | 0 | |
| US3355223A | Dual application valve | Berg Manufacturing and Sales Co | Expired / Lapsed | 1966-07-28 | 1967-11-28 | 1986-07-28 | 0.0 yrs | 2 |