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US2465265A
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Photoelectric controlled carrier modulator
Assignee: PRESS WIRELESS Inc
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Filing: 1945-05-29
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Granted: 1949-03-22
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Expires: 1965-05-29
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Ressler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:36
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/40; H04N1/407; H03; H03C; H03C3/00; H03C3/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1992055A
Cited
US2054836A
Cited
US2177366A
Cited
US2191795A
Cited
US2298466A
Cited
US2407293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |