US2864885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subscriber television system
Assignee: Zenith Electronics LLC
•
Filing: 1951-12-08
•
Granted: 1958-12-16
•
Expires: 1971-12-08
Abstract
No abstract record available.
Inventors
- 👤 George V Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:15
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2094060A
Cited
US2570187A
Cited
US2656407A
Cited
US2573349A
Cited
US2731620A
Cited
US2788387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |