US3526198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antisubmarine attack method
Assignee: United States Department of the Navy
•
Filing: 1962-04-12
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Granted: 1970-09-01
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert H Mathes
- 👤 Lauro C Ricalzone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:24
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/22; B; B63; B63C; B63C11/00; B63C11/48; F; F41; F41G; F41G7/00; F41G7/007; G01S; G01S1/00; G01S1/02; G01S15/00; G01S15/87; G01S7/00; G01S7/52; G01S7/56
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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |