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US2905896A
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Ring modulator phase comparator
Assignee: Individual
•
Filing: 1956-05-02
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Granted: 1959-09-22
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Kamp Johannes Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:17
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/54; H03C1/56; H03C1/58; G; G01; G01F; G01F1/00; G01F1/56; G01F1/58; G01F1/60; G01F1/64; H03F; H03F1/00; H03F1/34; H03F1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2324815A
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US2412345A
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US2462093A
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US2551291A
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US2641695A
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US2729972A
Cited
US2774932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |