Patent US2929924A successfully refreshed from Google Patents.
US2929924A
Expired / Lapsed
US
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Radiation suppression circuit
Assignee: Westinghouse Electric Corp
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Filing: 1955-02-21
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Granted: 1960-03-22
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Coleman J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/02; H04L27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1942457A
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US2086899A
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US2273934A
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US2325366A
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US2489268A
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US2338556A
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US2341937A
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US2402598A
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US2353018A
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US2504699A
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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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |