US3061680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time division multiplex resonant transfer transmission system
Assignee: General Dynamics Corp
•
Filing: 1959-05-25
•
Granted: 1962-10-30
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Frankel Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:18
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04J; H04J3/00; H04J3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2718621A
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US2819457A
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US2828418A
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US2870259A
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US2936337A
Cited
US2872665A
Cited
US2936338A
Cited
US2962551A
Cited
US2962552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |