Patent US2723660A successfully refreshed from Google Patents.
US2723660A
Expired / Lapsed
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Artificial uterus
Assignee: Individual
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Filing: 1954-07-22
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Granted: 1955-11-15
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Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Emanuel M Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:59
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/32; A61B; A61B90/00; A61G; A61G11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN ARTIFICIAL UTERUS COMPRISING, A FIRST CONTAINER FOR A FETUS, A SECOND CONTAINER FOR A PLACENTA WHICH IS SUPPORTED IN ADJACENT RELATIONSHIP THERETO; AN OXYGENATING MEANS FOR PURIFYING BLOOD, A DIALIZER FOR EXTRACTING NITROGENOUS WASTE PRODUCTS FROM BLOOD, AND PUMP CIRCULATING MEANS WHICH CIRCULATES A QUANTITY OF BLOOD OVER A PORTION OF THE PLACENTA, THROUGH THE DIALIZER, THROUGH THE OXYGENATING MEANS, AND BACK TO THE PLACENTA.
Claim 2
Dependent Claim
66 words
AN ARTIFICIAL UTERUS COMPRISING, A FIRST CONTAINER FOR A FETUS, A SECOND CONTAINER FOR A PLACENTA WHICH IS SUPPORTED IN ADJACENT RELATIONSHIP THERETO; AN OXYGENATING MEANS FOR PURIFYING BLOOD, A DIALIZER FOR EXTRACTING NITROGENOUS WASTE PRODUCTS FROM BLOOD, AND PUMP CIRCULATING MEANS WHICH CIRCULATES A QUANTITY OF BLOOD OVER A PORTION OF THE PLACENTA, THROUGH THE DIALIZER, THROUGH THE OXYGENATING MEANS, AND BACK TO THE PLACENTA.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |