US2704784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television image recorder and control system
Assignee: Individual
•
Filing: 1949-11-29
•
Granted: 1955-03-22
•
Expires: 1969-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John Hays Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:33
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978684A
Cited
US2251786A
Cited
US2294809A
Cited
US2373114A
Cited
US2404839A
Cited
US2420029A
Cited
US2429921A
Cited
US2504734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |