US3484738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for simulating progressively delayed outputs linear hydrophone array
Assignee: United States Department of the Navy
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Filing: 1968-05-20
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Granted: 1969-12-16
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Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Autrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:53
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/56; G01; G01S; G01S1/00; G01S1/72; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |