US2836761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic convergence apparatus for color television receiver
Assignee: CBS Broadcasting Inc
•
Filing: 1954-12-10
•
Granted: 1958-05-27
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 George L Howitt
- 👤 Abraham A Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:08
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2410721A
Cited
US2687493A
Cited
US2672574A
Cited
US2707248A
Cited
US2706796A
Cited
US2677779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |