US3333583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial gill
Assignee: Individual
•
Filing: 1963-09-25
•
Granted: 1967-08-01
•
Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Bodell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:29
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/184
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN UNDERWATER AIR PURIFYING DEVICE COMPRISING A TUBULAR MEMBER DEFINING INTERIORLY A CAVITY ADAPTED TO COMPRISE A PASSAGEWAY FOR WATER CONTAINING DISSOLVED OXYGEN; MEANS FOR CIRCULATING WATER THROUGH SAID PASSAGEWAY, AND ONE OR MORE LENGTHS OF CAPILLARY TUBING DISPOSED IN SAID CAVITY FOR IMMERSION IN THE WATER PASSING THERETHROUGH, SAID TUBING BEING ESSENTIALLY SELF-SUPPORTING AND FORMING A PASSAGEWAY FOR AIR TO BE OXYGENATED AND PURIFIED, AN AIR INLET CONNECTED TO ONE END OF SAID TUBING, AN AIR OUTLET CONNECTED TO THE OTHER END OF SAID TUBING, AND MEANS FOR CONNECTING THE AIR INLET AND AIR OUTLET TO A CONFINED SPACE CONTAINING SAID AIR TO BE OXYGENATED AND PURIFIED, SAID CAPILLARY TUBING BEING MADE OF A MATERIAL THAT IS SUBSTANTIALLY LIQUID IMPERMEABLE AND GAS PERMEABLE AND HAVING AN INTERNAL DIAMETER OF FROM ABOUT 0.012-0.0625 INCH AND A WALL THICKNESS OF FROM ABOUT 0.005-0.016 INCH.
Claim 2
Dependent Claim
143 words
AN UNDERWATER AIR PURIFYING DEVICE COMPRISING A TUBULAR MEMBER DEFINING INTERIORLY A CAVITY ADAPTED TO COMPRISE A PASSAGEWAY FOR WATER CONTAINING DISSOLVED OXYGEN; MEANS FOR CIRCULATING WATER THROUGH SAID PASSAGEWAY, AND ONE OR MORE LENGTHS OF CAPILLARY TUBING DISPOSED IN SAID CAVITY FOR IMMERSION IN THE WATER PASSING THERETHROUGH, SAID TUBING BEING ESSENTIALLY SELF-SUPPORTING AND FORMING A PASSAGEWAY FOR AIR TO BE OXYGENATED AND PURIFIED, AN AIR INLET CONNECTED TO ONE END OF SAID TUBING, AN AIR OUTLET CONNECTED TO THE OTHER END OF SAID TUBING, AND MEANS FOR CONNECTING THE AIR INLET AND AIR OUTLET TO A CONFINED SPACE CONTAINING SAID AIR TO BE OXYGENATED AND PURIFIED, SAID CAPILLARY TUBING BEING MADE OF A MATERIAL THAT IS SUBSTANTIALLY LIQUID IMPERMEABLE AND GAS PERMEABLE AND HAVING AN INTERNAL DIAMETER OF FROM ABOUT 0.012-0.0625 INCH AND A WALL THICKNESS OF FROM ABOUT 0.005-0.016 INCH.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |