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US3147752A
Expired / Lapsed
US
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Mouthpiece for breathing apparatus
Assignee: La Spirotechnique Industrielle et Commerciale
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Filing: 1960-10-28
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Granted: 1964-09-08
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jacques Y Cousteau
- 👤 Gagnan Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:09
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/22; B63C11/2227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A BREATHING APPARATUS OF THE OPEN CYCLE TYPE COMPRISING A MOUTHPIECE MEANS CONNECTED BY AN INHALATION AIR HOSE TO A DEMAND AIR REGULATOR PARTICULARLY OF THE INJECTION TYPE AND CONNECTED BY AN EXPIRATION AIR HOSE TO AN EXHAUST VALVE, THE IMPROVEMENT COMPRISING SAID MOUTHPIECE MEANS BEING INTERGRALLY FORMED AS A T-PIPE JUNCTION FORMING INHALATION AND EXPIRATION CONDUITS SAID INHALATION AND EXPIRATION CONDUITS BEING ALIGNED AND CONNECTED TO FORM OPPOSED BRANCHES OF SAID T-PIPE JUNCTION MEANS, THE THIRD BRANCH OF SAID T-PIPE JUNCTION FORM-
Claim 2
Dependent Claim
84 words
IN A BREATHING APPARATUS OF THE OPEN CYCLE TYPE COMPRISING A MOUTHPIECE MEANS CONNECTED BY AN INHALATION AIR HOSE TO A DEMAND AIR REGULATOR PARTICULARLY OF THE INJECTION TYPE AND CONNECTED BY AN EXPIRATION AIR HOSE TO AN EXHAUST VALVE, THE IMPROVEMENT COMPRISING SAID MOUTHPIECE MEANS BEING INTERGRALLY FORMED AS A T-PIPE JUNCTION FORMING INHALATION AND EXPIRATION CONDUITS SAID INHALATION AND EXPIRATION CONDUITS BEING ALIGNED AND CONNECTED TO FORM OPPOSED BRANCHES OF SAID T-PIPE JUNCTION MEANS, THE THIRD BRANCH OF SAID T-PIPE JUNCTION FORM-
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |