Patent US2772399A successfully refreshed from Google Patents.
US2772399A
Expired / Lapsed
US
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Coded data transmission system
Assignee: Individual
•
Filing: 1945-09-19
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Granted: 1956-11-27
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Expires: 1965-09-19
Abstract
No abstract record available.
Inventors
- 👤 Andrew B Jacobsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/08; H03M1/0827
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248937A
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US2073933A
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US2249209A
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US2145332A
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US2139655A
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US2265996A
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US2200009A
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US2403561A
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US2387783A
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US2415359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |