US2792002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygenating unit for extracorporeal circulation devices
Assignee: JEFFERSON MEDICAL COLLEGE
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Filing: 1952-04-09
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Granted: 1957-05-14
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Expires: 1972-04-09
Abstract
No abstract record available.
Inventors
- 👤 Gustav V A Malmros
- 👤 Donald K Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:29
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/32; A61M1/36; A61M1/3621; A61M1/3623; Y; Y10; Y10S; Y10S128/00; Y10S128/03
Claims Analysis
Total Claims: 0
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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) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |