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US2787418A
Expired / Lapsed
US
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Analogue-to-digital converter system
Assignee: Raytheon Co
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Filing: 1952-06-14
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Granted: 1957-04-02
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Merritt L Macknight
- 👤 James O Beaumont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486390A
Cited
US2521733A
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US2568724A
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US2556200A
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US2530538A
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US2505029A
Cited
US2616965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |