US3290933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation systems
Assignee: Individual
•
Filing: 1965-10-18
•
Granted: 1966-12-13
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert L Lillestrand
- 👤 Joseph E Carroll
- 👤 Charles J Purcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:09
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF DETERMINING THE LOCATION OF A VEHICLE IN THE ECLIPTIC PLANE OF THE SOLAR SYSTEM INCLUDING THE FOLLOWING STEPS: SCANNING A SECTOR OF SPACE ABOUT A SCANNING AXIS; IDENTIFYING SOME OF THE STARS IN THE SECTOR AND DETERMINING THE ATTITUDE OF THE SCANNING AXIS; CORRECTING THE ATTITUDE OF THE SCANNING AXIS TO DISPOSE IT NORMAL TO THE ECLIPTIC PLANE; SCANNING THE ECLIPTIC PLANE TO VIEW SOME OF THE PLANETS LYING SUBSTANTIALLY THEREIN; IDENTIFYING SOME OF SAID PLANETS; AND DETERMINING THE LOCATION OF THE VEHICLE WITH RESPECT TO KNOWN POSITIONS OF THE IDENTIFIED PLANETS ARE RECORDED IN AN OPHEMERIS.
Claim 2
Independent Claim
100 words
THE METHOD OF DETERMINING THE LOCATION OF A VEHICLE IN THE ECLIPTIC PLANE OF THE SOLAR SYSTEM INCLUDING THE FOLLOWING STEPS: SCANNING A SECTOR OF SPACE ABOUT A SCANNING AXIS; IDENTIFYING SOME OF THE STARS IN THE SECTOR AND DETERMINING THE ATTITUDE OF THE SCANNING AXIS; CORRECTING THE ATTITUDE OF THE SCANNING AXIS TO DISPOSE IT NORMAL TO THE ECLIPTIC PLANE; SCANNING THE ECLIPTIC PLANE TO VIEW SOME OF THE PLANETS LYING SUBSTANTIALLY THEREIN; IDENTIFYING SOME OF SAID PLANETS; AND DETERMINING THE LOCATION OF THE VEHICLE WITH RESPECT TO KNOWN POSITIONS OF THE IDENTIFIED PLANETS ARE RECORDED IN AN OPHEMERIS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |