US3277466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous multimode iff interrogation system
Assignee: Individual
•
Filing: 1964-09-29
•
Granted: 1966-10-04
•
Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:29
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/78; G01S13/781; G01S13/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF MATERIALLY INCREASING THE COVERAGE PROVIDING BY A MULTIMODE IFF SYSTEM INCLUDING: ASSIGNING A DIFFERENCE REPETITION RATE TO THE TRIGGER CYCLE OF EACH MODE; ASSIGNING A TRANSMISSION PERIOD TO EACH MODE FROM THE BEGINNING OF EACH TRIGGER AND EXTENDING FOR A PREDETERMINED TIME THEREAFTER; ESTABLISHING A REPLY TIME FOR EACH MODE CONCURRENT WITH THE ASSOCIATED TRIGGER CYCLE; AND
Claim 2
Independent Claim
60 words
THE METHOD OF MATERIALLY INCREASING THE COVERAGE PROVIDING BY A MULTIMODE IFF SYSTEM INCLUDING: ASSIGNING A DIFFERENCE REPETITION RATE TO THE TRIGGER CYCLE OF EACH MODE; ASSIGNING A TRANSMISSION PERIOD TO EACH MODE FROM THE BEGINNING OF EACH TRIGGER AND EXTENDING FOR A PREDETERMINED TIME THEREAFTER; ESTABLISHING A REPLY TIME FOR EACH MODE CONCURRENT WITH THE ASSOCIATED TRIGGER CYCLE; AND
References Cited (Backward Citations)
US3058104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |