Patent US2665953A successfully refreshed from Google Patents.
Patent US2951245A successfully refreshed from Google Patents.
US2951245A
Expired / Lapsed
US
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Electrical circuits
Assignee: RCA Corp
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Filing: 1957-03-12
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Granted: 1960-08-30
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Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kihn Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
H; H04; H04Q; H04Q3/00; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/18; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10; G01S7/12; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/82; H03K23/00; H03K23/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |