Patent US3124131A successfully refreshed from Google Patents.
US3124131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air source for a skin diver
Assignee: —
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:02
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/20; B63C11/205; B63C11/207; B63C11/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN AIR SOURCE FOR A SKIN DIVER COMPRISING: CHAMBER MEANS DEFINING A WATER SPACE HAVING WATER THEREIN AND AN AIR SPACE OVER SAID WATER SPACE HAVING AIR THEREIN; MEANS FOR SECURING SAID CHAMBER MEANS TO THE PERSON OF A SKIN DIVER; CONDUIT MEANS FROM SAID AIR SPACE TO THE BREATHING ORGANS OF SAID DIVER; ROTATABLE MEANS IN SAID WATER SPACE; DRIVE MEANS FOR SAID ROTATABLE MEANS; AND CONDUIT MEANS FROM THE EARTH''S ATMOSPHERE TO SAID ROTATABLE MEANS, SO CONSTRUCTED AND ARRANGED THAT AIR IS ASPIRATED BY SAID ROTATABLE MEANS FROM SAID ATMOSPHERE TO THE WATER IN SAID WATER SPACE WHEREUPON SAID AIR RISES THROUGH THE WATER SPACE IN SAID CHAMBER MEANS TO SAID AIR SPACE FOR BREATHING BY SAID DIVER.
Claim 2
Dependent Claim
120 words
AN AIR SOURCE FOR A SKIN DIVER COMPRISING: CHAMBER MEANS DEFINING A WATER SPACE HAVING WATER THEREIN AND AN AIR SPACE OVER SAID WATER SPACE HAVING AIR THEREIN; MEANS FOR SECURING SAID CHAMBER MEANS TO THE PERSON OF A SKIN DIVER; CONDUIT MEANS FROM SAID AIR SPACE TO THE BREATHING ORGANS OF SAID DIVER; ROTATABLE MEANS IN SAID WATER SPACE; DRIVE MEANS FOR SAID ROTATABLE MEANS; AND CONDUIT MEANS FROM THE EARTH''S ATMOSPHERE TO SAID ROTATABLE MEANS, SO CONSTRUCTED AND ARRANGED THAT AIR IS ASPIRATED BY SAID ROTATABLE MEANS FROM SAID ATMOSPHERE TO THE WATER IN SAID WATER SPACE WHEREUPON SAID AIR RISES THROUGH THE WATER SPACE IN SAID CHAMBER MEANS TO SAID AIR SPACE FOR BREATHING BY SAID DIVER.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |