Patent US3387083A successfully refreshed from Google Patents.
US3387083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pay television system with billing transponder
Assignee: Hazeltine Research Inc
•
Filing: 1963-12-23
•
Granted: 1968-06-04
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Richard J Farber
- 👤 Jr Francis H Boos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:37
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/173; H04N7/17345; H04N7/17363; H04N7/17309; H04N7/17318; H04N2007/17372
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3078337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |