US3275976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottom release mechanism for a sonobuoy
Assignee: Lockheed Martin Corp
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Filing: 1964-03-26
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Granted: 1966-09-27
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Everett W Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:54
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; G10K11/006; B; B63; B63B; B63B22/00; B63B22/003; B63B45/00; B63B45/08; F; F42; F42B; F42B25/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A WATER IMPACT RELEASE MECHANISM FOR AN AIR LAUNCHED SONOBUOY''S CONTENTS FROM SAID SONOBUOY COMPRISED OF: (A) A BOTTOM CAP MOUNTED ON SAID SONOBUOY TO RETAIN SAID SONOBUOY''S CONTENTS WITHIN SAID HOUSING UNTIL SAID WATER IMPACT, (B) AN AIR DAMPED RELEASE BUTTOM HAVING A LOW MOMENT OF INERTIA MOUNTED WITHIN SAID BOTTOM CAP AND MOVABLE TO RELEASE POSITION UNDER THE PRESSURE OF A DYNAMIC WATER FORCE UPON SAID WATER IMPACT, SAID AIR DAMPED RELEASE BUTTON''S LOW MOMENT OF INERTIA THEREBY PROVIDING SAID RELEASE BUTTON WITH THE ABILITY TO RESIST HIGH FREQUENCY, SHORT DURATION, SHOCK FORCES WITHOUT HAVING TO SAID RELEASE POSITION, AND RELEASE MEANS ACTIVATED BY SAID BUTTON IN ITS RELEASE POSITION TO ALLOW THE RELEASE OF SAID HOUSING''S CONTENTS.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |