US3464016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demodulation system
Assignee: National Aeronautics and Space Administration
•
Filing: 1966-01-13
•
Granted: 1969-08-26
•
Expires: 1986-01-13
Abstract
No abstract record available.
Inventors
- 👤 William J Kerwin
- 👤 Michael G Dix
- 👤 Robert M Munoz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:41
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/18; H04L27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3065403A
Cited
US3121202A
Cited
US3253223A
Cited
US3273151A
Cited
US3132342A
Cited
US3368036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |