US3054057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digitally tuned transmitter-receiver
Assignee: General Dynamics Corp
•
Filing: 1960-07-13
•
Granted: 1962-09-11
•
Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Roger R Bettin
- 👤 John E R Harrison
- 👤 Elmer W Schwittek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:37
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/0245; H03J5/0272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1943790A
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US2354148A
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US2606285A
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US2507576A
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US2529443A
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US2487857A
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US2902596A
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US2888562A
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US2886708A
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US2894133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |