US3126543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and radar system for eliminating
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:02
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2813
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A RADAR SYSTEM FOR ELIMINATING GROUND INTERFERENCE SIGNALS FROM RADAR SIGNALS COMPRISING FIRST MEANS TO RECEIVE SAID RADAR SIGNALS WITHIN A FIRST PRESELECTED AREA, SECOND MEANS TO RECEIVE SAID GROUND INTERFERENCE SIGNALS WITHIN A PRESELECTED SECOND AREA, SAID FIRST AREA HAVING A PREDETERMINED CROSSOVER WITH SAID SECOND AREA, MEANS TO COMPARE THE OUTPUT SIGNAL OF SAID FIRST RECEIVING MEANS TO THE OUTPUT SIGNAL OF SAID SECOND RECEIVING MEANS DURING PERIODS OF SAID GROUND INTERFERENCE SIGNALS TO OBTAIN A DIFFERENCE SIGNAL, AND DIODE DISCRIMINATOR MEANS PASSING SAID DIFFERENCE SIGNAL.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |