COMMUNICATION PATENTS Inc
COMMUNICATActive Patents
0
Total Holdings
19
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2153586A | Radiating, transformation and reinforcement system | Expired / Lapsed | 1934-03-20 | 1939-04-11 | 0 | Details |
| US2122750A | Line television | Expired / Lapsed | 1934-07-05 | 1938-07-05 | 0 | Details |
| US2109339A | Variable speed television | Expired / Lapsed | 1934-02-08 | 1938-02-22 | 0 | Details |
| US2081367A | Electrical weighing and distribution system | Expired / Lapsed | 1934-09-18 | 1937-05-25 | 0 | Details |
| US2072527A | Multiple sound and picture recording and projection system | Expired / Lapsed | 1930-05-27 | 1937-03-02 | 0 | Details |
| US2071564A | Cyclic variable frequency oscillator | Expired / Lapsed | 1930-12-30 | 1937-02-23 | 0 | Details |
| US2022144A | Light conditioning and distribution system | Expired / Lapsed | 1932-05-28 | 1935-11-26 | 0 | Details |
| US2021743A | Multiplex signaling | Expired / Lapsed | 1930-06-13 | 1935-11-19 | 0 | Details |
| US2006812A | Television mirror system | Expired / Lapsed | 1930-10-01 | 1935-07-02 | 0 | Details |
| US2005153A | Synchronizing system | Expired / Lapsed | 1931-12-09 | 1935-06-18 | 0 | Details |
| US1985684A | Panoramic television system | Expired / Lapsed | 1930-12-30 | 1934-12-25 | 0 | Details |
| US1975517A | Piezoelectric crystal convertergenerator | Expired / Lapsed | 1931-05-02 | 1934-10-02 | 0 | Details |
| US1975516A | Gravity indicator | Expired / Lapsed | 1930-08-08 | 1934-10-02 | 0 | Details |
| US1965720A | Electrical distribution system | Expired / Lapsed | 1931-05-14 | 1934-07-10 | 0 | Details |
| US1955471A | Polyphase converter-generator | Expired / Lapsed | 1931-08-13 | 1934-04-17 | 0 | Details |
| US1951523A | Electrooptic control system | Expired / Lapsed | 1930-07-24 | 1934-03-20 | 0 | Details |
| US1925814A | Continuous facsimile transmission system | Expired / Lapsed | 1930-09-25 | 1933-09-05 | 0 | Details |
| US1901116A | Color television | Expired / Lapsed | 1930-05-08 | 1933-03-14 | 0 | Details |
| US1779748A | High-speed television system | Expired / Lapsed | 1927-09-28 | 1930-10-28 | 0 | Details |