US2532175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visible image radio responsive device
Assignee: RCA Corp
•
Filing: 1944-03-31
•
Granted: 1950-11-28
•
Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Linder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q13/16; H01J; H01J31/00; H01J31/08; H01J31/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2421790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |