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US3074559A Expired / Lapsed US ⏱️ 0.0 years remaining

Dialyzer chamber with capillary system

Assignee: Individual
•
Filing: 1959-03-17
•
Granted: 1963-01-22
•
Expires: 1979-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Savino Martino Francisco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:25
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/24; B01D61/28; B01D63/00; B01D63/08; B01D63/082; B01D63/0822; Y; Y10; Y10S; Y10S128/00; Y10S128/03

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 306 words
IN A DIALYSIS TYPE OF ARTIFICIAL KIDNEY, THE COMBINATION OF A PLURALITY OF PLATES EACH HAVING TWO PARALLEL SURFACES AND EACH HAVING IN EACH OF ITS SURFACES TWO SETS OF GROOVES OF EQUAL DEPTH AND A WIDTH AT THE SURFACE OF THE PLATE EQUAL TO SAID DEPTH INTERSECTING EACH OTHER AT AN ANGLE, THE GROOVES OF EACH OF THE TWO SETS OF GROOVES BEING EQUALLY SPACE A DISTANCE EQUAL TO THEIR DEPTH FROM EACH OTHER AND SUBSTANTIALLY PARALLEL TO EACH OTHER; A PLURALITY OF CELLOPHANE SHEETS EACH INTERPOSED BETWEEN ADJACENT PLATES AND IN SUBSTANTIAL CONTACT THEREWITH, THE GROOVES OF OPPOSING SURFACES OF SAID ADJACENT PLATES BEING CORRESPONDINGLY DISPOSED ON BOTH SIDES OF EACH OF SAID CELLOPHANE SHEETS; AND MEANS FOR PROVIDING A CIRCULATING FLUID FLOW THROUGH THE GROOVES OF EACH OF THE SURFACES OF SAID PLATES SAID FLUID FLOW CIRCULATING MEANS COMPRISING AN INLET CONDUIT FOR EACH OF THE SURFACES OF EACH OF SAID PLATES FOR SUPPLYING FLUID TO AT LEAST ONE SET OF GROOVES OF EACH OF THE SURFACES OF SAID PLATES, EACH SAID INLET CONDUIT HAVING AN OPEN END TO WHICH SAID FLUID IS SUPPLIED AND A CLOSED END, AND AN OUTLET CONDUIT FOR EACH OF THE SURFACES OF EACH OF SAID PLATES FOR REMOVING FLUID FROM SAID ONE SET OF GROOVES OF EACH OF THE SURFACES OF SAID PLATES, EACH SAID OUTLET CONDUIT HAVING AN OPEN END FROM WHICH SAID FLUID IS REMOVED AND A CLOSED END, EACH SAID INLET AND OUTLET CONDUIT HAVING A CROSS-SECTIONAL AREA WHICH DECREASES IN MAGNITUDE FROM A MAXIMUM AT SAID OPEN END TO A MINIMUM AT SAID CLOSED END, THE GROOVES OF SAID ONE SET OF GROOVES OF EACH OF THE SURFACES OF THE PLATES OPENING INTO THEIR ASSOCIATED INLET AND OUTLET CONDUIT ALONG ITS LENGTH BETWEEN THE SAID OPEN END AND THE SAID CLOSED END THEREOF.

References Cited (Backward Citations)

US736745A Cited
US1331732A Cited
GB418959A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-21 1966-07-23 1967-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-21 1970-07-23 1971-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-21 1974-07-23 1975-01-22 $7700.00 Window Closed / Lapsed

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