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US3534367A
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Traffic control system and method
Assignee: National Aeronautics and Space Administration
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Filing: 1968-01-30
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Granted: 1970-10-13
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Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Charles R Laughlin
- 👤 Roger C Hollenbaugh
- 👤 Walter K Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:38
CPC Classifications
G; G01; G01S; G01S5/00; G01S5/0009; G01S11/00; G01S11/02; G01S11/10; G01S5/02; G01S5/0246; G01S2205/00; G01S2205/01; G01S2205/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3384891A
Cited
US3400399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |