Patent Explorer
Browse, filter, and analyze 7 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2611118A | Trickle charger | Willard Storage Battery Co | Expired / Lapsed | 1947-11-22 | 1952-09-16 | 1967-11-22 | 0.0 yrs | 0 | |
| US2416651A | Storage battery | Willard Storage Battery Co | Expired / Lapsed | 1943-07-14 | 1947-02-25 | 1963-07-14 | 0.0 yrs | 0 | |
| US2218612A | Mold for battery grids | Willard Storage Battery Co | Expired / Lapsed | 1938-08-04 | 1940-10-22 | 1958-08-04 | 0.0 yrs | 0 | |
| US2208584A | Bushing inserter | Willard Storage Battery Co | Expired / Lapsed | 1935-06-13 | 1940-07-23 | 1955-06-13 | 0.0 yrs | 0 | |
| US2120120A | Method of making ribbed separators | Willard Storage Battery Co | Expired / Lapsed | 1934-07-17 | 1938-06-07 | 1954-07-17 | 0.0 yrs | 0 | |
| US2004304A | Storage battery separator | Willard Storage Battery Co | Expired / Lapsed | 1933-08-01 | 1935-06-11 | 1953-08-01 | 0.0 yrs | 0 | |
| US1494436A | Clamp for use in coating battery boxes and the like | Willard Storage Battery Co | Expired / Lapsed | 1921-09-12 | 1924-05-20 | 1941-09-12 | 0.0 yrs | 0 |