Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2554072A | Antacid composition | National Drug Co | Expired / Lapsed | 1948-10-04 | 1951-05-22 | 1968-10-04 | 0.0 yrs | 1 | |
| US2202163A | Closure for dispensing containers | National Drug Co | Expired / Lapsed | 1936-06-15 | 1940-05-28 | 1956-06-15 | 0.0 yrs | 0 | |
| US2168270A | Hypodermic-injection apparatus | National Drug Co | Expired / Lapsed | 1936-11-21 | 1939-08-01 | 1956-11-21 | 0.0 yrs | 0 | |
| US2100610A | Gas filter | National Drug Co | Expired / Lapsed | 1936-06-15 | 1937-11-30 | 1956-06-15 | 0.0 yrs | 0 |