US2793349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sideband transmitter
Assignee: Individual
•
Filing: 1953-08-11
•
Granted: 1957-05-21
•
Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 Murray G Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:49
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162882A
Cited
US2173145A
Cited
US2198226A
Cited
US2270697A
Cited
US2576429A
Cited
US2666133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |