Patent US3169245A successfully refreshed from Google Patents.
US3169245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive repeaters for satellite communication systems
Assignee: AT&T Inc
•
Filing: 1959-05-15
•
Granted: 1965-02-09
•
Expires: 1979-05-15
Abstract
No abstract record available.
Inventors
- 👤 Cassius C Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:58
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/18; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/28; B64G1/281; B64G1/36; H01Q15/00; H01Q15/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A PASSIVE REPEATER FOR A SATELLITE COMMUNICATION SYSTEM COMPRISING A BARREL SHAPED BODY HAVING AN EXTERIOR SURFACE WHICH REFLECTS RADIO FREQUENCY ENERGY LAUNCHED IN AN ORBIT ABOUT THE EARTH, SAID BODY BEING ADAPTED FOR LAUNCHING IN ORBIT WITH AN INITIAL SPIN ABOUT ITS AXIS OF GREATEST MOMENT OF INERTIA TO FIX THE ORIENTATION THEREOF WITH RESPECT TO THE PLANE OF SAID ORBIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |