US3131249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stellar compass
Assignee: Individual
•
Filing: 1958-01-27
•
Granted: 1964-04-28
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Karolus E Kunze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A STELLAR COMPASS FOR CONTINUOUS AND SIMULTANEOUS MEASUREMENT OF ANGULAR POSITIONS OF A SOURCE OF RADIANT ENERGY, COMPRISING IN COMBINATION THE FOLLOWING: FIRST AND SECOND ENERGY-SENSITIVE SCANNING ELEMENTS; A FIRST ROTATIONAL MEANS FOR CONTINUOUSLY ROTATING SAID SCANNING ELEMENTS IN A FIRST PREDETERMINED PLANE; A SECOND SCANNING ELEMENT IN A SECOND PREDETERMINED PLANE NOT PARALLEL TO SAID FIRST PLANE; MEANS, ACTUATED BY ENERGIZATION OF SAID FIRST SCANNING ELEMENT, FOR ACTIVATING SAID SECOND ROTATIONAL MEANS; MEANS, ACTUATED BY ENERGIZATION OF SAID SECOND SCANNING ELEMENT FOR DE-ACTIVATING SAID SECOND ROTATIONAL MEANS; MEANS FOR CONTINUOUSLY AND REMOTELY INDICATING THE ANGULAR POSITIONS OF THE FIRST SCANNING ELEMENT IN THE SAID FIRST PLANE AT EACH INSTANT OF ITS ENERGIZATION BY SAID SOURCE AND RELATIVE TO A PREDETERMINED LINE IN SAID PLANE; AND MEANS FOR CONTINUOUSLY AND REMOTELY INDICATING THE ANGULAR POSITION OF THE SECOND SCANNING ELEMENT IN THE
Claim 2
Dependent Claim
142 words
A STELLAR COMPASS FOR CONTINUOUS AND SIMULTANEOUS MEASUREMENT OF ANGULAR POSITIONS OF A SOURCE OF RADIANT ENERGY, COMPRISING IN COMBINATION THE FOLLOWING: FIRST AND SECOND ENERGY-SENSITIVE SCANNING ELEMENTS; A FIRST ROTATIONAL MEANS FOR CONTINUOUSLY ROTATING SAID SCANNING ELEMENTS IN A FIRST PREDETERMINED PLANE; A SECOND SCANNING ELEMENT IN A SECOND PREDETERMINED PLANE NOT PARALLEL TO SAID FIRST PLANE; MEANS, ACTUATED BY ENERGIZATION OF SAID FIRST SCANNING ELEMENT, FOR ACTIVATING SAID SECOND ROTATIONAL MEANS; MEANS, ACTUATED BY ENERGIZATION OF SAID SECOND SCANNING ELEMENT FOR DE-ACTIVATING SAID SECOND ROTATIONAL MEANS; MEANS FOR CONTINUOUSLY AND REMOTELY INDICATING THE ANGULAR POSITIONS OF THE FIRST SCANNING ELEMENT IN THE SAID FIRST PLANE AT EACH INSTANT OF ITS ENERGIZATION BY SAID SOURCE AND RELATIVE TO A PREDETERMINED LINE IN SAID PLANE; AND MEANS FOR CONTINUOUSLY AND REMOTELY INDICATING THE ANGULAR POSITION OF THE SECOND SCANNING ELEMENT IN THE
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |