US3290642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional sonobuoy
Assignee: Individual
•
Filing: 1965-01-08
•
Granted: 1966-12-06
•
Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Russell I Mason
- 👤 Francis E Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:25
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/003; G; G10; G10K; G10K11/00; G10K11/004; G10K11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A DIRECTIONAL SONOBUOY COMPRISING: A BUOYANT MEANS; A DIRECTIONAL HYDROPHONE MEANS DEPENDING FROM SAID BUOYANT MEANS; AND MOTOR MEANS DRIVINGLY CONNECTED TO SAID HYDROPHONE MEANS FOR CASING THE LATTER TO ROTATE, SAID MOTOR MEANS BEING SLIDABLE RELATIVE TO SAID HYDROPHONE MEANS ALONG THE ROTATION AXIS FOR ACOUSTICALLY ISOLATING SAID MOTOR MEANS DURING NORMAL SONAR OPERATION.
Claim 2
Dependent Claim
55 words
A DIRECTIONAL SONOBUOY COMPRISING: A BUOYANT MEANS; A DIRECTIONAL HYDROPHONE MEANS DEPENDING FROM SAID BUOYANT MEANS; AND MOTOR MEANS DRIVINGLY CONNECTED TO SAID HYDROPHONE MEANS FOR CASING THE LATTER TO ROTATE, SAID MOTOR MEANS BEING SLIDABLE RELATIVE TO SAID HYDROPHONE MEANS ALONG THE ROTATION AXIS FOR ACOUSTICALLY ISOLATING SAID MOTOR MEANS DURING NORMAL SONAR OPERATION.
References Cited (Backward Citations)
US2361177A
Cited
US2828475A
Cited
US3022462A
Cited
FR1228001A
Cited
US3132322A
Cited
US3116471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |