US3470477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system having a multiple-access,man-made satellite
Assignee: Comsat Corp
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Filing: 1967-08-04
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Granted: 1969-09-30
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Expires: 1987-08-04
Abstract
No abstract record available.
Inventors
- 👤 Gerard Pierre Battail
- 👤 Pierre Claude Brossard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:38
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/204; H04B7/2043; H03; H03D; H03D3/00; H03D3/02; H03D3/24; H03D3/241; H03D3/242; H04B7/216; H04J; H04J1/00; H04J1/20
Claims Analysis
Total Claims: 0
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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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |