US2641723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television image analyzing tube
Assignee: CAPEHART FARNSWORTH CORP
•
Filing: 1950-07-29
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Granted: 1953-06-09
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Expires: 1970-07-29
Abstract
No abstract record available.
Inventors
- 👤 Philo T Farnsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:24
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/42; H01J31/44; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22009E
Cited
US2203347A
Cited
US2140695A
Cited
US2300591A
Cited
US2303930A
Cited
US2292111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |