US3566346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer array expansion mechanism
Assignee: United States Department of the Navy
•
Filing: 1969-05-19
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Granted: 1971-02-23
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Expires: 1989-05-19
Abstract
Abstract A UNIFIED SONAR TRNSDUCER ARRAY WITH AN EXPANSION MECHANISM EMPLOYING TRIANGULAR TRUS-TRYPE ARMS AND A FAIL-SAFE MECHANISM WHICH COLLAPSES THE ARRAY UPON LOSS OF POWER.
Inventors
- 👤 John A Scopatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; G10K11/006; G10K11/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |