US3541419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit for vibratory antenna
Assignee: United States Department of the Navy
•
Filing: 1969-02-25
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Granted: 1970-11-17
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Expires: 1989-02-25
Abstract
No abstract record available.
Inventors
- 👤 Arnolds Jansons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1427; H; H01; H01Q; H01Q3/00; H01Q3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2825052A
Cited
US2767363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |