Patent US3141635A successfully refreshed from Google Patents.
US3141635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missile guidance system
Assignee: Individual
•
Filing: 1953-02-16
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Granted: 1964-07-21
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Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Marion F Davis
- 👤 Albert L Hedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:16
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301; F41G7/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
APPARATUS FOR INDICATING THE ROTATIONAL ORIENTATION OF A RADAR TRACKED ROTATING MISSILE TO A RADAR CONTROL STATION COMPRISING A CASING FOR SAID MISSILE, AND A RADAR MIRROR ASYMMETRICALLY AND RIGIDLY MOUNTED ON THE TRAILING END OF SAID CASING FOR ROTATION THEREWITH THEREBY TO CONTINUOUSLY VARY THE INTENSITY OF THE SIGNAL REFLECTED THEREFROM AND RECEIVED BY THE RADAR CONTROL STATION.
Claim 2
Dependent Claim
59 words
APPARATUS FOR INDICATING THE ROTATIONAL ORIENTATION OF A RADAR TRACKED ROTATING MISSILE TO A RADAR CONTROL STATION COMPRISING A CASING FOR SAID MISSILE, AND A RADAR MIRROR ASYMMETRICALLY AND RIGIDLY MOUNTED ON THE TRAILING END OF SAID CASING FOR ROTATION THEREWITH THEREBY TO CONTINUOUSLY VARY THE INTENSITY OF THE SIGNAL REFLECTED THEREFROM AND RECEIVED BY THE RADAR CONTROL STATION.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |