US2706802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonator circuit
Assignee: RCA Corp
•
Filing: 1951-11-30
•
Granted: 1955-04-19
•
Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 Meisenheimer Raymond Lamar
- 👤 Shrader Merrald Buren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:01
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2116996A
Cited
US2197124A
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US2485400A
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US2527773A
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US2525452A
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US2646470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |