US2411786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communications system
Assignee: Farnsworth Television and Radio Corp
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Filing: 1944-08-11
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Granted: 1946-11-26
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Expires: 1964-08-11
Abstract
No abstract record available.
Inventors
- 👤 William S Halstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:43
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/54; H04B2203/00; H04B2203/54; H04B2203/5429; H04B2203/5437; H04B2203/5441; H04B2203/545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-11-25 | 1950-05-27 | 1950-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-25 | 1954-05-27 | 1954-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-25 | 1958-05-27 | 1958-11-26 | $7700.00 | Window Closed / Lapsed |