Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2710270A | Coated filaments and their production | Duro Test Corp | Expired / Lapsed | 1954-02-09 | 1955-06-07 | 1974-02-09 | 0.0 yrs | 1 | |
| US2155816A | Starting and operating circuit for gaseous electric discharge devices | Duro Test Corp | Expired / Lapsed | 1938-10-12 | 1939-04-25 | 1958-10-12 | 0.0 yrs | 0 |