US2960613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-linear resonance devices
Assignee: General Electric Co
•
Filing: 1955-05-12
•
Granted: 1960-11-15
•
Expires: 1975-05-12
Abstract
No abstract record available.
Inventors
- 👤 Charles F Spitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H03K3/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2653254A
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US2697178A
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US2773198A
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US2695398A
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US2795706A
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US2709757A
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US2869111A
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US2815488A
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US2785390A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |