Patent US3309649A successfully refreshed from Google Patents.
US3309649A
Expired / Lapsed
US
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Sonobuoy with depth selection capabilities
Assignee: Lockheed Martin Corp
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Filing: 1964-03-26
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Granted: 1967-03-14
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Ballard
- 👤 Richard D J Proctor
- 👤 William E Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:06
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; G10K11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN AIR LAUNCHED SONOBUOY WITH ANTENNA RELEASE AND HYDROPHONE DEPTH SELECTION CAPABILITIES COMPRISED OF: (A) A RELEASABLE ANTENNA COVER PLATE HAVING A RECESS OPENING THEREIN, (B) A CABLE RELEASE DRIVE TRAIN HAVING A PORTION THEREOF IN MATING DRIVING ENGAGEMENT WITH SAID ANTENNA COVER PLATE RECESS OPENING, SAID DRIVE TRAIN BEING DISCHARGED FROM SAID SONOBUOY UPON WATER IMPACT, (C) A SUSPENSION CABLE SUPPLY DIVIDED INTO A SEPARATED FIRST AND SECOND UNIT OF PREDETERMINED LENGTHS,
Claim 2
Dependent Claim
73 words
AN AIR LAUNCHED SONOBUOY WITH ANTENNA RELEASE AND HYDROPHONE DEPTH SELECTION CAPABILITIES COMPRISED OF: (A) A RELEASABLE ANTENNA COVER PLATE HAVING A RECESS OPENING THEREIN, (B) A CABLE RELEASE DRIVE TRAIN HAVING A PORTION THEREOF IN MATING DRIVING ENGAGEMENT WITH SAID ANTENNA COVER PLATE RECESS OPENING, SAID DRIVE TRAIN BEING DISCHARGED FROM SAID SONOBUOY UPON WATER IMPACT, (C) A SUSPENSION CABLE SUPPLY DIVIDED INTO A SEPARATED FIRST AND SECOND UNIT OF PREDETERMINED LENGTHS,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |