US3266223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion apparatus
Assignee: Sinclair Research Inc
•
Filing: 1961-10-06
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Granted: 1966-08-16
•
Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 Dresser Thorpe
- 👤 Reading B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:36
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22; B01D53/228; B01D63/00; B01D63/08; B01D63/087; B01D2313/00; B01D2313/14; Y; Y10; Y10S; Y10S159/00; Y10S159/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
AN APPARATUS FOR SEPARATING A FLUID MIXTURE WHICH CONSISTS ESSENTIALLY OF A FLEXIBLE FILM WHICH IS MORE PERMEABLE TO A FIRST COMPONENT OF THE FLUID MIXTURE AND LESS PERMEABLE TO A SECOND COMPONENT OF THE FLUID MIXTURE, SAID FILM BEING REINFORCED ON ONE SIDE BY A FIRST SUPPORTING FLEXIBLE SHEET MATERIAL PERMEABLE TO SAID MIXTURE AND ON THE OTHER SIDE BY A SECOND SUPPORTING FLEXIBLE SHEET MATERIAL PERMEABLE TO SAID MIXTURE TO FORM A FLUIDSEPARATING UNIT, SAID FLUID-SEPARATING UNIT BEING FORMED INTO A PLURALITY OF ADJACENT CONVOLUTED SECTIONS HAVING LENGTHS EXTENDING BETWEEN THE TURNS OF SAID CONVOLUTIONS, EACH OF SAID PLURALITY OF CONVOLUTED SECTIONS BEING SO DISPOSED THAT SAID FIRST AND SECOND SUPPORTING SHEETS FORM OPPOSED ESSENTIALLY CONTACTING SURFACES WITH ITSELF ALONG THE EXTENDED LENGTHS OF THE CONVOLUTED SECTIONS, AN INLET MEANS COMMUNICATING WITH THE CONVOLUTED SURFACE OF SAIF FIRST SUPPORTING FLEXIBLE SHEET MATERIAL ON ONE SIDE OF SAID FILM, TO DELIVER A FLUID MIXTURE TO SAID SURFACE, AND AN OUTLET MEANS COMMUNICATING WITH THE CONVOLUTED SURFACE OF SAID SECOND SUPPORTING FLEXIBLE SHEET MATERIAL ON THE OPPOSITE SIDE OF THE FILM FROM SAID FIRST SUPPORTING MATERIAL FOR RECOVERING THE SEPARATED FLUID PRODUCT.
Claim 2
Independent Claim
192 words
AN APPARATUS FOR SEPARATING A FLUID MIXTURE WHICH CONSISTS ESSENTIALLY OF A FLEXIBLE FILM WHICH IS MORE PERMEABLE TO A FIRST COMPONENT OF THE FLUID MIXTURE AND LESS PERMEABLE TO A SECOND COMPONENT OF THE FLUID MIXTURE, SAID FILM BEING REINFORCED ON ONE SIDE BY A FIRST SUPPORTING FLEXIBLE SHEET MATERIAL PERMEABLE TO SAID MIXTURE AND ON THE OTHER SIDE BY A SECOND SUPPORTING FLEXIBLE SHEET MATERIAL PERMEABLE TO SAID MIXTURE TO FORM A FLUIDSEPARATING UNIT, SAID FLUID-SEPARATING UNIT BEING FORMED INTO A PLURALITY OF ADJACENT CONVOLUTED SECTIONS HAVING LENGTHS EXTENDING BETWEEN THE TURNS OF SAID CONVOLUTIONS, EACH OF SAID PLURALITY OF CONVOLUTED SECTIONS BEING SO DISPOSED THAT SAID FIRST AND SECOND SUPPORTING SHEETS FORM OPPOSED ESSENTIALLY CONTACTING SURFACES WITH ITSELF ALONG THE EXTENDED LENGTHS OF THE CONVOLUTED SECTIONS, AN INLET MEANS COMMUNICATING WITH THE CONVOLUTED SURFACE OF SAIF FIRST SUPPORTING FLEXIBLE SHEET MATERIAL ON ONE SIDE OF SAID FILM, TO DELIVER A FLUID MIXTURE TO SAID SURFACE, AND AN OUTLET MEANS COMMUNICATING WITH THE CONVOLUTED SURFACE OF SAID SECOND SUPPORTING FLEXIBLE SHEET MATERIAL ON THE OPPOSITE SIDE OF THE FILM FROM SAID FIRST SUPPORTING MATERIAL FOR RECOVERING THE SEPARATED FLUID PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |