Patent US1749723A successfully refreshed from Google Patents.
US3126545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hyperbola
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
2026-10-23 07:11
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/87; G01S13/876; B; B64; B64G; B64G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF UTILIZING AN ORBITING SATELLITE AS AN AID TO NAVIGATING A MOVING CRAFT IN ACCORDANCE WITH THE PRINCIPLES OF HYPERBOLIC NAVIGATION COMPRISING THE STEPS OF TRANSMITTING TO SAID CRAFT AT LEAST THREE SATELLITE TIMEPOSITION MESSAGES, DETERMINING FROM THE TIME DIFFERENCE OF ARRIVAL OF A FIRST PAIR OF MESSAGES A HYPERBOLA UPON WHOSE LOCUS SAID CRAFT RESIDES, DETERMINING FROM THE TIME DIFFERENCE OF ARRIVAL OF A SECOND PAIR OF MESSAGES A SECOND HYPERBOLA UPON WHOSE LOCUS SAID CRAFT RESIDES, SIMULTANEOUSLY SOLVING THE EQUATIONS OF SAID HYPERBOLAS AND DIRECTING THE COURSE OF SAID CRAFT IN ACCORDANCE WITH SAID SOLUTION.
Claim 2
Independent Claim
99 words
THE METHOD OF UTILIZING AN ORBITING SATELLITE AS AN AID TO NAVIGATING A MOVING CRAFT IN ACCORDANCE WITH THE PRINCIPLES OF HYPERBOLIC NAVIGATION COMPRISING THE STEPS OF TRANSMITTING TO SAID CRAFT AT LEAST THREE SATELLITE TIMEPOSITION MESSAGES, DETERMINING FROM THE TIME DIFFERENCE OF ARRIVAL OF A FIRST PAIR OF MESSAGES A HYPERBOLA UPON WHOSE LOCUS SAID CRAFT RESIDES, DETERMINING FROM THE TIME DIFFERENCE OF ARRIVAL OF A SECOND PAIR OF MESSAGES A SECOND HYPERBOLA UPON WHOSE LOCUS SAID CRAFT RESIDES, SIMULTANEOUSLY SOLVING THE EQUATIONS OF SAID HYPERBOLAS AND DIRECTING THE COURSE OF SAID CRAFT IN ACCORDANCE WITH SAID SOLUTION.
References Cited (Backward Citations)
No citation records indexed.
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 |