US3369240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Range and bearing indication of geographically remote sources of electromagnetic radiation
Assignee: Individual
•
Filing: 1966-08-29
•
Granted: 1968-02-13
•
Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:07
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A SYSTEM FOR OBTAINING AT A SINGLE STATION SIMULTANEOUS VISUALLY DETERMINABLE RANGE SND BEARING FIXES ON A GEOGRAPHICALLY REMOTE SOURCE OF VERTICALLY POLARIZED, HIGH AMPLITUDE PULSES OF ELECTROMAGENTIC RADIATION IN THE ELF (EXTREMELY LOW FREQUENCY) RANGE, THE COMBINATION OF MEANS AT SAID STATION FOR RECEIVING AND TRANSLATING AN ELF PULSE FROM SAID SOURCE INTO A VISIBLE INDICATION OF THE
Claim 2
Dependent Claim
60 words
IN A SYSTEM FOR OBTAINING AT A SINGLE STATION SIMULTANEOUS VISUALLY DETERMINABLE RANGE SND BEARING FIXES ON A GEOGRAPHICALLY REMOTE SOURCE OF VERTICALLY POLARIZED, HIGH AMPLITUDE PULSES OF ELECTROMAGENTIC RADIATION IN THE ELF (EXTREMELY LOW FREQUENCY) RANGE, THE COMBINATION OF MEANS AT SAID STATION FOR RECEIVING AND TRANSLATING AN ELF PULSE FROM SAID SOURCE INTO A VISIBLE INDICATION OF THE
References Cited (Backward Citations)
US2883663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |