US3408647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amti radar system
Assignee: Boeing North American Inc
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Filing: 1964-08-18
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Granted: 1968-10-29
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Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Forest J Dynan
- 👤 Richard G Whitnah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/526; G01S13/528; G01S13/5242; G01S13/58; G01S13/64
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN A PULSED RADAR SYSTEM, MEANS FOR INDICATING MOVING TARGETS COMPRISING SIGNAL STORAGE MEANS RESPONSIVE TO SAID RADAR SYSTEM FOR STORING SIGNALS RECEIVED FROM TARGETS AT VARIOUS RANGES FOR EACH OF A SELECTED NUMBER OF SUCCESSIVE PULSE REPETITION PERIODS; SCANNING MEANS RESPONSIVE TO SAID SIGNAL STORAGE MEANS FOR SEQUENTIALLY SCANNING SUCCESSIVE ONES OF SAID STORED SIGNALS FOR A SELECTED RANGE TO PROVIDE AN OUTPUT SIGNAL; AND A BANDPASS DOPPLER FILTER RESPONSIVE TO SAID OUTPUT SIGNAL FOR PROVIDING A SIGNAL HAVING A SPECTRAL CONTENT INDICATIVE OF THE PRESENCE OF A MOVING TARGET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |