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US3378845A
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US
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Generation of beacon signals for communication satellite
Assignee: AT&T Inc
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Filing: 1965-04-13
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Granted: 1968-04-16
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Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Welber Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/185; G; G01; G01S; G01S13/00; G01S13/66; G01S13/68; G01S13/74; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3167760A
Cited
US3262116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |