Patent US3051681A successfully refreshed from Google Patents.
California Institute Research Foundation
CaliforniaActive Patents
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Total Holdings
15
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3475951A | Device and process for collecting particulates from gases | Expired / Lapsed | 1965-05-18 | 1969-11-04 | 0 | Details |
| US3402265A | Pseudonoise (pn) synchronization of data system with deriva… | Expired / Lapsed | 1965-07-12 | 1968-09-17 | 2 | Details |
| US3275528A | Method and apparatus for controlling culture growth | Expired / Lapsed | 1961-03-30 | 1966-09-27 | 4 | Details |
| US3220300A | Specimen holder | Expired / Lapsed | 1961-06-09 | 1965-11-30 | 2 | Details |
| US3198994A | Superconductive magnetic-fieldtrapping device | Expired / Lapsed | 1961-11-29 | 1965-08-03 | 0 | Details |
| US3000217A | Sample splitter | Expired / Lapsed | 1956-01-16 | 1961-09-19 | 0 | Details |
| US2857657A | Method of constructing a porous wall | Expired / Lapsed | 1956-01-16 | 1958-10-28 | 0 | Details |
| US2791746A | High speed recorder | Expired / Lapsed | 1952-10-24 | 1957-05-07 | 0 | Details |
| US2730004A | Microilluminator for spectrometers | Expired / Lapsed | 1951-09-17 | 1956-01-10 | 0 | Details |
| US2728049A | Reactive modulation circuit | Expired / Lapsed | 1954-08-23 | 1955-12-20 | 0 | Details |
| US2666912A | Electrical counter | Expired / Lapsed | 1950-05-16 | 1954-01-19 | 0 | Details |
| US2591133A | Method of producing gelatin derivative | Expired / Lapsed | 1950-05-29 | 1952-04-01 | 2 | Details |
| US2421121A | Method of dehydrating foodstuffs | Expired / Lapsed | 1945-05-05 | 1947-05-27 | 0 | Details |
| US2416344A | Apparatus for determining the partial pressure of xygen in … | Expired / Lapsed | 1941-08-23 | 1947-02-25 | 0 | Details |
| US2412295A | Microburet | Expired / Lapsed | 1944-08-07 | 1946-12-10 | 0 | Details |