US3137854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locating system for detectable energy
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1959-05-19
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Granted: 1964-06-16
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Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 Neal S Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:51
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A SYSTEM FOR LOCATING A SIGNAL-RADIATING SOURCE IN AN AREA WITH REFERENCE TO A KNOWN SIGNAL-RADIATING SOURCE: MEANS FOR RECEIVING SIGNALS RADIATED FROM BOTH SOURCES AT STATIONS POSITIONED AT KNOWN LOCATIONS RELATIVE TO SAID AREA; AND MEANS AT EACH STATION FOR SIMULTANEOUSLY RECORDING SAID RADIATED SIGNALS IN TIME-COORDINATED MANNER ON A REPRODUCIBLE RECORDING MEDIUM, MEANS FOR CORRELATING THE SIGNALS FROM SAID KNOWN SOURCE ON THE RECORDING MEDIUMS TO THEREBY PROVIDE TIME DELAY INFORMATION
Claim 2
Dependent Claim
74 words
IN A SYSTEM FOR LOCATING A SIGNAL-RADIATING SOURCE IN AN AREA WITH REFERENCE TO A KNOWN SIGNAL-RADIATING SOURCE: MEANS FOR RECEIVING SIGNALS RADIATED FROM BOTH SOURCES AT STATIONS POSITIONED AT KNOWN LOCATIONS RELATIVE TO SAID AREA; AND MEANS AT EACH STATION FOR SIMULTANEOUSLY RECORDING SAID RADIATED SIGNALS IN TIME-COORDINATED MANNER ON A REPRODUCIBLE RECORDING MEDIUM, MEANS FOR CORRELATING THE SIGNALS FROM SAID KNOWN SOURCE ON THE RECORDING MEDIUMS TO THEREBY PROVIDE TIME DELAY INFORMATION
References Cited (Backward Citations)
US2166991A
Cited
US2817081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |