Patent US3015331A successfully refreshed from Google Patents.
US3015331A
Expired / Lapsed
US
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Blood oxygenator
Assignee: Dow Silicones Corp
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Filing: 1957-10-17
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Granted: 1962-01-02
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Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Earl L Warrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/16; A61M1/1698; Y; Y10; Y10S; Y10S128/00; Y10S128/03; Y10S261/00; Y10S261/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN APPARTUS FOR OXYGENATING BLOOD WHICH COMPRISES A CONTAINER PROVIDE WITH AN INLET AND OUTLET FOR OXYGEN AND WITHIN SAID CONTAINER SILICONE RUBBER TUBING IN SINUOUS CONFIGURATION, HAVING BLOOD INLET MEANS, SAID TUBING BEING OF SUFFICIENT LENGTH AND WALL THICKNESS TO ALLOW THE OXYGNE TO DIFFUSE THERETHROUGH INTO BLOOD PASSING THROUGH SAID TUBING AND TO ALLOW CARBON DIOXIDE TO DIFFUSE FROM THE BLOOD THROUGH SAID TUBE WALL INTO THE CONTAINER SAID SILICONE RUBBER TUBE BEING COMPOSED OF PEROXIDE VULCANIZED RUBBER HAVING A HIGH DIFFUSION RATE FOR OXYGEN AND CARBON DIOXIDE, SUPPORT MEANS FOR SAID TUBE AND OUTLET MEANS FOR PASSING BLOOD OUT THROUGH SAID TUBE.
Claim 2
Dependent Claim
105 words
AN APPARTUS FOR OXYGENATING BLOOD WHICH COMPRISES A CONTAINER PROVIDE WITH AN INLET AND OUTLET FOR OXYGEN AND WITHIN SAID CONTAINER SILICONE RUBBER TUBING IN SINUOUS CONFIGURATION, HAVING BLOOD INLET MEANS, SAID TUBING BEING OF SUFFICIENT LENGTH AND WALL THICKNESS TO ALLOW THE OXYGNE TO DIFFUSE THERETHROUGH INTO BLOOD PASSING THROUGH SAID TUBING AND TO ALLOW CARBON DIOXIDE TO DIFFUSE FROM THE BLOOD THROUGH SAID TUBE WALL INTO THE CONTAINER SAID SILICONE RUBBER TUBE BEING COMPOSED OF PEROXIDE VULCANIZED RUBBER HAVING A HIGH DIFFUSION RATE FOR OXYGEN AND CARBON DIOXIDE, SUPPORT MEANS FOR SAID TUBE AND OUTLET MEANS FOR PASSING BLOOD OUT THROUGH SAID TUBE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |