Patent US3144171A successfully refreshed from Google Patents.
US3144171A
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Acoustic warning assembly for skin diving apparatus
Assignee: La Spirotechnique Industrielle et Commerciale
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Filing: 1962-05-02
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Granted: 1964-08-11
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Gagnan Emile
- 👤 Cousteau Jacques Yves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:54
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN ACOUSTIC WARNING DEVICE FOR SKIN DIVING APPARATUS COMPRISING AT LEAST ONE CONTAINER CONTAINING A BREATHABLE GAS UNDER PRESSURE AND A MECHANICAL VIBRATIONS EMITTER, MEANS SENSITIVE TO THE PRESSURE IN SAID CONTAINER FOR ALLOWING SAID EMITTER TO OPERATE WHEN SAID PRESSURE FALLS BELOW A PREDETERMINED VALUE, AND MEANS ACCESSIBLE TO THE DIVER WHEN UNDER WATER FOR MANUALLY CONTROLLING
Claim 2
Dependent Claim
58 words
AN ACOUSTIC WARNING DEVICE FOR SKIN DIVING APPARATUS COMPRISING AT LEAST ONE CONTAINER CONTAINING A BREATHABLE GAS UNDER PRESSURE AND A MECHANICAL VIBRATIONS EMITTER, MEANS SENSITIVE TO THE PRESSURE IN SAID CONTAINER FOR ALLOWING SAID EMITTER TO OPERATE WHEN SAID PRESSURE FALLS BELOW A PREDETERMINED VALUE, AND MEANS ACCESSIBLE TO THE DIVER WHEN UNDER WATER FOR MANUALLY CONTROLLING
References Cited (Backward Citations)
DE717980C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |