Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2067019A | Phthalic anhydride recovery | National Aniline and Chemical Co Inc | Expired / Lapsed | 1933-12-29 | 1937-01-05 | 1953-12-29 | 0.0 yrs | 0 | |
| US2011710A | Apparatus for measuring temperature | National Aniline and Chemical Co Inc | Expired / Lapsed | 1928-08-18 | 1935-08-20 | 1948-08-18 | 0.0 yrs | 0 | |
| US1773110A | Stop valve | National Aniline and Chemical Co Inc | Expired / Lapsed | 1925-08-06 | 1930-08-19 | 1945-08-06 | 0.0 yrs | 0 |