National Urn Bag Co Inc
National UActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2571138A | Infusion package with expandible bottom and method of manuf… | Expired / Lapsed | 1949-10-24 | 1951-10-16 | 2 | Details |
| US2475617A | Infusion package manufacture | Expired / Lapsed | 1942-07-09 | 1949-07-12 | 0 | Details |
| US2447754A | Manufacturing and filling of essence containing packages fo… | Expired / Lapsed | 1940-06-24 | 1948-08-24 | 0 | Details |
| US2447014A | Manufacture of essence containing packages for brewing beve… | Expired / Lapsed | 1940-11-25 | 1948-08-17 | 0 | Details |
| US2406018A | Method of manufacturing infusion packages | Expired / Lapsed | 1942-10-14 | 1946-08-20 | 0 | Details |
| US2390071A | Infusion package manufacture | Expired / Lapsed | 1941-10-09 | 1945-11-27 | 0 | Details |
| US2359292A | Infusion package with handle | Expired / Lapsed | 1942-07-09 | 1944-10-03 | 0 | Details |