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US2088034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifying arrangement comprising tunable circuits
Assignee: RCA Corp
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Filing: 1934-06-16
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Granted: 1937-07-27
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Expires: 1954-06-16
Abstract
No abstract record available.
Inventors
- 👤 Rinia Herre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:36
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0153; H03H7/0161
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) | 1940-07-26 | 1941-01-25 | 1941-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-26 | 1945-01-25 | 1945-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-26 | 1949-01-25 | 1949-07-27 | $7700.00 | Window Closed / Lapsed |