US3413095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Membrane oxygenator
Assignee: Individual
•
Filing: 1965-06-14
•
Granted: 1968-11-26
•
Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Mogens L Bramson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:57
CPC Classifications
B; B01; B01D; B01D63/00; B01D63/08; B01D63/082; B01D63/084; B01D2313/00; B01D2313/22; B01D2313/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A MEMBRANE DIFFUSION DEVICE COMPRISING A CELL WHICH INCLUDES: FIRST AND SECOND MEMBRANES, A FIRST FORAMINOUS SPACING MEMBER INTERPOSED BETWEEN SAID FIRST AND SECOND MEMBRANES, SAID FIRST AND SECOND SPACED MEMBRANES CONSTITUTING A FIRST FLOW PASSAGE FOR THE RELATIVELY FREE, TURBULENT, FLOW OF A FIRST FLUID THEREBETWEEN, FIRST AND SECOND LIQUID IMPERVIOUS FLEXIBLE WALLS, SECOND AND THIRD FORAMINOUS SPACING MEMBERS INTERPOSED BETWEEN SAID FIRST WALL AND FIRST MEMBRANE AND BETWEEN SAID SECOND WALL AND SAID SECOND MEMBRANE, RESPECTIVELY,
Claim 2
Dependent Claim
78 words
A MEMBRANE DIFFUSION DEVICE COMPRISING A CELL WHICH INCLUDES: FIRST AND SECOND MEMBRANES, A FIRST FORAMINOUS SPACING MEMBER INTERPOSED BETWEEN SAID FIRST AND SECOND MEMBRANES, SAID FIRST AND SECOND SPACED MEMBRANES CONSTITUTING A FIRST FLOW PASSAGE FOR THE RELATIVELY FREE, TURBULENT, FLOW OF A FIRST FLUID THEREBETWEEN, FIRST AND SECOND LIQUID IMPERVIOUS FLEXIBLE WALLS, SECOND AND THIRD FORAMINOUS SPACING MEMBERS INTERPOSED BETWEEN SAID FIRST WALL AND FIRST MEMBRANE AND BETWEEN SAID SECOND WALL AND SAID SECOND MEMBRANE, RESPECTIVELY,
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |