US2436700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonator oscillator
Assignee: Lanteris Space LLC
•
Filing: 1944-01-29
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Granted: 1948-02-24
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Expires: 1964-01-29
Abstract
No abstract record available.
Inventors
- 👤 Sterling C Spielman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:18
CPC Classifications
H; H03; H03L; H03L1/00; H03L1/02; H03L1/021; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; H01R33/0836; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1913978A
Cited
GB422869A
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US2146365A
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US2109880A
Cited
US2251085A
Cited
US2374810A
Cited
US2284405A
Cited
US2408817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |