US3021492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic phase control system
Assignee: Avco Corp
•
Filing: 1961-04-11
•
Granted: 1962-02-13
•
Expires: 1981-04-11
Abstract
No abstract record available.
Inventors
- 👤 Bruce A Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:10
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233165A
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GB561323A
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US2617040A
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US2654033A
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US2688085A
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US2801336A
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US2768296A
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US2898399A
Cited
US2907880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |