US3075524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood oxygenating apparatus
Assignee: Selas Corp of America
•
Filing: 1959-09-11
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Granted: 1963-01-29
•
Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Leland Charles Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:58
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/32; A61M1/322; A61M1/325; Y; Y10; Y10S; Y10S128/00; Y10S128/03; Y10S261/00; Y10S261/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A BLOOD OXYGENATOR, THE COMBINATION OF A CYLINDER OPEN AT BOTH ENDS OF RIGID TRANSPARENT MATERIAL, END PLATES ON AND CLOSING THE ENDS OF SAID CYLINDER, MEANS INDIVIDUALLY TO FORCE SAID END PLATES AGAINST THE ENDS OF SAID CYLINDER TO FORM A CHAMBER, A HOLLOW POROUS ELEMENT IN SAID CHAMBER, OXYGEN SUPPLY MEANS EXTENDING THROUGH ONE OF SAID END PLATES INTO SAID ELEMENT WHEREBY OXYGEN MAY FLOW THROUGH THE SAME INTO SAID CHAMBER, MEANS IN SAID END PLATES THROUGH WHICH BLOOD CAN BE INTRODUCED INTO AND REMOVED FROM SAID CHAMBER AND A SECOND HOLLOW POROUS ELEMENT IN SAID CHAMBER, SAID SECOND ELEMENT HAVING PORES OF A MAXIMUM SIZE DIFFERENT FROM THE MAXIMUM SIZE OF THE PORES IN SAID FIRST MENTIONED ELEMENT, AND MEANS TO SUPPLY OXYGEN TO THE INTERIOR OF SAID SECOND ELEMENT.
Claim 2
Dependent Claim
134 words
IN A BLOOD OXYGENATOR, THE COMBINATION OF A CYLINDER OPEN AT BOTH ENDS OF RIGID TRANSPARENT MATERIAL, END PLATES ON AND CLOSING THE ENDS OF SAID CYLINDER, MEANS INDIVIDUALLY TO FORCE SAID END PLATES AGAINST THE ENDS OF SAID CYLINDER TO FORM A CHAMBER, A HOLLOW POROUS ELEMENT IN SAID CHAMBER, OXYGEN SUPPLY MEANS EXTENDING THROUGH ONE OF SAID END PLATES INTO SAID ELEMENT WHEREBY OXYGEN MAY FLOW THROUGH THE SAME INTO SAID CHAMBER, MEANS IN SAID END PLATES THROUGH WHICH BLOOD CAN BE INTRODUCED INTO AND REMOVED FROM SAID CHAMBER AND A SECOND HOLLOW POROUS ELEMENT IN SAID CHAMBER, SAID SECOND ELEMENT HAVING PORES OF A MAXIMUM SIZE DIFFERENT FROM THE MAXIMUM SIZE OF THE PORES IN SAID FIRST MENTIONED ELEMENT, AND MEANS TO SUPPLY OXYGEN TO THE INTERIOR OF SAID SECOND ELEMENT.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2854002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |