Patent US2698433A successfully refreshed from Google Patents.
US2698433A
Expired / Lapsed
US
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Visual display for radiometric receivers
Assignee: Collins Radio Co
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Filing: 1951-12-07
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Granted: 1954-12-28
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Expires: 1971-12-07
Abstract
No abstract record available.
Inventors
- 👤 Richard M Ringoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:18
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42; G01S3/58; G01S7/00; G01S7/02; G01S7/04; G01S7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2399017A
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US2437286A
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US2512703A
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US2589216A
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US2422697A
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US2571051A
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US2625678A
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US2590114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |