Shellmar Products Corp
Shellmar PActive Patents
0
Total Holdings
30
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2643448A | Nursing unit assembling tool | Expired / Lapsed | 1950-07-01 | 1953-06-30 | 0 | Details |
| US2606850A | Sealing machine and method | Expired / Lapsed | 1949-12-03 | 1952-08-12 | 2 | Details |
| US2604222A | Nursing unit | Expired / Lapsed | 1948-07-30 | 1952-07-22 | 0 | Details |
| US2600130A | Egg carton | Expired / Lapsed | 1945-12-03 | 1952-06-10 | 0 | Details |
| US2591446A | Egg carton | Expired / Lapsed | 1947-12-12 | 1952-04-01 | 0 | Details |
| US2587909A | Molded pulp egg carton | Expired / Lapsed | 1947-02-17 | 1952-03-04 | 0 | Details |
| US2584633A | Container with fused reinforced seam | Expired / Lapsed | 1945-11-09 | 1952-02-05 | 0 | Details |
| US2584632A | Method of making containers | Expired / Lapsed | 1945-11-09 | 1952-02-05 | 0 | Details |
| US2581319A | Colostomy device | Expired / Lapsed | 1949-04-14 | 1952-01-01 | 0 | Details |
| US2579088A | Heat sealing tool | Expired / Lapsed | 1949-10-25 | 1951-12-18 | 0 | Details |
| US2569681A | Egg carton | Expired / Lapsed | 1947-02-21 | 1951-10-02 | 0 | Details |
| US2562389A | Bag and method | Expired / Lapsed | 1945-11-03 | 1951-07-31 | 0 | Details |
| US2542753A | Shelf support | Expired / Lapsed | 1947-01-15 | 1951-02-20 | 0 | Details |
| US2542144A | Blind rivet | Expired / Lapsed | 1945-01-01 | 1951-02-20 | 0 | Details |
| US2528778A | Sealed tobacco package | Expired / Lapsed | 1945-03-01 | 1950-11-07 | 0 | Details |
| US2524584A | Method of forming containers | Expired / Lapsed | 1949-10-18 | 1950-10-03 | 0 | Details |
| US2523410A | Laminating machine and method | Expired / Lapsed | 1946-05-17 | 1950-09-26 | 0 | Details |
| US2517465A | Molded pulp carton | Expired / Lapsed | 1947-12-20 | 1950-08-01 | 0 | Details |
| US2507248A | Dispensing closure for containers | Expired / Lapsed | 1945-02-22 | 1950-05-09 | 0 | Details |
| US2501544A | Therapeutic product | Expired / Lapsed | 1946-10-23 | 1950-03-21 | 0 | Details |
| US2496911A | Method and apparatus for forming plastic laminates | Expired / Lapsed | 1945-06-07 | 1950-02-07 | 0 | Details |
| US2466735A | Heat-sealing device | Expired / Lapsed | 1946-10-23 | 1949-04-12 | 0 | Details |
| US2466579A | Molded pulp carton | Expired / Lapsed | 1943-09-20 | 1949-04-05 | 0 | Details |
| US2456093A | Method of polymerization | Expired / Lapsed | 1943-03-24 | 1948-12-14 | 0 | Details |
| US2455295A | Cellular carton | Expired / Lapsed | 1942-10-23 | 1948-11-30 | 0 | Details |
| US2446264A | Molded pulp carton | Expired / Lapsed | 1943-09-20 | 1948-08-03 | 0 | Details |
| US2435876A | Blind bolt | Expired / Lapsed | 1944-06-20 | 1948-02-10 | 0 | Details |
| US2424602A | Flush rivet | Expired / Lapsed | 1945-05-15 | 1947-07-29 | 0 | Details |
| US2422725A | Container and seam construction | Expired / Lapsed | 1942-04-11 | 1947-06-24 | 0 | Details |
| US2402287A | Plastic rivet | Expired / Lapsed | 1943-09-27 | 1946-06-18 | 0 | Details |