US3078846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater breathing apparatus
Assignee: Individual
•
Filing: 1960-10-04
•
Granted: 1963-02-26
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Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Novelli Alberto
- 👤 Buggiani Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:49
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/02; A62B9/022; B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/22; B63C11/2227; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
AN UNDERWATER BREATHING APPARATUS COMPRISING A LUNG BOX OF VARIABLE VOLUME, SAID LUNG BOX INCLUDING TWO PLATES OF RIGID MATERIAL PIVOTALLY CONNECTED TO ONE ANOTHER, A DIAPHRAGM CONNECTED TO THE EDGES OF SAID PLATES AND FORMING WITH SAID PLATES A FLUID-TIGHT ENCLOSURE, A MOUTH PIECE CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, AN INLET VALVE WITHIN AND CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, AN OUTLET VALVE WITHIN AND CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, MEANS RESPONSIVE TO THE MOVEMENT OF ONE PLATE AWAY FROM THE OTHER FOR FIRST CLOSING SAID INLET VALVE AND UPON CONTINUED MOVEMENT OF SAID ONE PLATE AWAY FROM SAID OTHER PLATE FOR OPENING SAID OUTLET VALVE THEREAFTER, AND MEANS RESPONSIVE TO THE MOVEMENT OF SAID ONE PLATE TOWARDS SAID OTHER PLATE FOR FIRST CLOSING SAID OUTLET VALVE AND UPON CONTINUED MOVEMENT OF SAID ONE PLATE TOWARDS SAID OTHER PLATE FOR THEREAFTER OPENING SAID INLET VALVE.
Claim 2
Dependent Claim
166 words
AN UNDERWATER BREATHING APPARATUS COMPRISING A LUNG BOX OF VARIABLE VOLUME, SAID LUNG BOX INCLUDING TWO PLATES OF RIGID MATERIAL PIVOTALLY CONNECTED TO ONE ANOTHER, A DIAPHRAGM CONNECTED TO THE EDGES OF SAID PLATES AND FORMING WITH SAID PLATES A FLUID-TIGHT ENCLOSURE, A MOUTH PIECE CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, AN INLET VALVE WITHIN AND CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, AN OUTLET VALVE WITHIN AND CONNECTED DIRECTLY TO SAID LUNG BOX AND COMMUNICATING DIRECTLY WITH SAID ENCLOSURE, MEANS RESPONSIVE TO THE MOVEMENT OF ONE PLATE AWAY FROM THE OTHER FOR FIRST CLOSING SAID INLET VALVE AND UPON CONTINUED MOVEMENT OF SAID ONE PLATE AWAY FROM SAID OTHER PLATE FOR OPENING SAID OUTLET VALVE THEREAFTER, AND MEANS RESPONSIVE TO THE MOVEMENT OF SAID ONE PLATE TOWARDS SAID OTHER PLATE FOR FIRST CLOSING SAID OUTLET VALVE AND UPON CONTINUED MOVEMENT OF SAID ONE PLATE TOWARDS SAID OTHER PLATE FOR THEREAFTER OPENING SAID INLET VALVE.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |