Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2951260A | Molding mechanism and heating arrangement | Crown Machine and Tool Co Inc | Expired / Lapsed | 1957-10-01 | 1960-09-06 | 1977-10-01 | 0.0 yrs | 0 | |
| US2928125A | Method of and injection nozzle for preventing excessive heat transfer to a mold | Crown Machine and Tool Co Inc | Expired / Lapsed | 1956-05-31 | 1960-03-15 | 1976-05-31 | 0.0 yrs | 0 | |
| US2860374A | Stripper mechanism for injection molding | Crown Machine and Tool Co Inc | Expired / Lapsed | 1955-09-23 | 1958-11-18 | 1975-09-23 | 0.0 yrs | 0 | |
| US2828509A | Plastic molding machines | Crown Machine and Tool Co Inc | Expired / Lapsed | 1954-11-03 | 1958-04-01 | 1974-11-03 | 0.0 yrs | 0 |