← Back to Patent Explorer
US3124131A Expired / Lapsed US ⏱️ 0.0 years remaining

Air source for a skin diver

Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:08
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)

US529684A Cited
DE532195C Cited
US813431A Cited
US1653189A Cited
US2488261A Cited
US2928661A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag