Patent US2014643A successfully refreshed from Google Patents.
Proctor and Schwartz Inc
Proctor anActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2933281A | Apparatus for supplying a desired weight of material to a r… | Expired / Lapsed | 1955-04-01 | 1960-04-19 | 0 | Details |
| US2347707A | Electrical cooking apparatus | Expired / Lapsed | 1942-02-03 | 1944-05-02 | 0 | Details |
| US2261049A | Voluminal compensator for the hoppers of weighing feeders | Expired / Lapsed | 1940-10-21 | 1941-10-28 | 0 | Details |
| US2229546A | Process for casing tobacco leaves | Expired / Lapsed | 1937-10-22 | 1941-01-21 | 0 | Details |
| US2215404A | Time control mechanism for flashing electric range units or… | Expired / Lapsed | 1938-08-25 | 1940-09-17 | 0 | Details |
| US2207871A | Electric range unit control mechanism embodying material of… | Expired / Lapsed | 1938-06-04 | 1940-07-16 | 0 | Details |
| US2207634A | Control system for electrical heating units | Expired / Lapsed | 1938-01-21 | 1940-07-09 | 0 | Details |
| US2196921A | Web handling apparatus | Expired / Lapsed | 1938-10-29 | 1940-04-09 | 0 | Details |
| US2135516A | Roll type drier | Expired / Lapsed | 1937-03-22 | 1938-11-08 | 0 | Details |
| US2050180A | Direct motor drive for disk fans | Expired / Lapsed | 1934-02-27 | 1936-08-04 | 0 | Details |
| US1660249A | Weighing feeder | Expired / Lapsed | 1924-02-29 | 1928-02-21 | 0 | Details |
| US1552312A | Hosiery drier | Expired / Lapsed | 1923-12-11 | 1925-09-01 | 0 | Details |