US3195068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic frequency control
Assignee: Henry W W Co
•
Filing: 1962-11-19
•
Granted: 1965-07-13
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Vall Wilbur E Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/085; H03L7/091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2521058A
Cited
US2489262A
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US2570013A
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US2636988A
Cited
US2773188A
Cited
US2851602A
Cited
US2889467A
Cited
US3101406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |