Patent US2192425A successfully refreshed from Google Patents.
CONTINENTAL DIAMOND FIBRE CO
CONTINENTAActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2128132A | Socket | Expired / Lapsed | 1932-10-12 | 1938-08-23 | 0 | Details |
| US2079393A | Core structure | Expired / Lapsed | 1935-07-20 | 1937-05-04 | 0 | Details |
| US2003752A | Bendable laminated product | Expired / Lapsed | 1932-10-15 | 1935-06-04 | 0 | Details |
| US2003232A | Hollow articles, such as pipe fittings and the like, and me… | Expired / Lapsed | 1933-05-15 | 1935-05-28 | 0 | Details |
| US2001031A | Cylindrical articles and method and apparatus for manufactu… | Expired / Lapsed | 1932-02-04 | 1935-05-14 | 0 | Details |
| US1985166A | Method of making electric resistance | Expired / Lapsed | 1930-05-01 | 1934-12-18 | 0 | Details |
| US1981782A | Composite gear and method of making the same | Expired / Lapsed | 1932-11-19 | 1934-11-20 | 0 | Details |
| US1873753A | Method of making composite mica plates | Expired / Lapsed | 1927-06-24 | 1932-08-23 | 0 | Details |