US2660684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic color television
Assignee: International Standard Electric Corp
•
Filing: 1948-02-06
•
Granted: 1953-11-24
•
Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Louis W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:10
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB443896A
Cited
FR866065A
Cited
US2307188A
Cited
US2461515A
Cited
US2529485A
Cited
US2446249A
Cited
US2446791A
Cited
US2532511A
Cited
US2446440A
Cited
US2498705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |