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US3257072A Expired / Lapsed US ⏱️ 0.0 years remaining

Whole blood storage structure

Assignee: Cryogenic Engineering Co
•
Filing: 1963-01-07
•
Granted: 1966-06-21
•
Expires: 1983-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Martin M Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:50
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/02; A61M1/029; A61M1/0209; A61J; A61J1/00; A61J1/05; A61J1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/4673

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 170 words
A CONTAINER FOR THE TREATMENT AND STORAGE OF WHOLE BLOOD, COMPRISING A FLEXIBLE BAG OF TRANSLUCENT COMPOSITION STERILIZED AFTER FABRICATION AND HAVING A CIRCUMFERENTIALL ENCLOSURE PROVIDING A HERMETIC SEAL FOR THE CONTENTS OF THE CONTAINER, VALVE-CONTROLLED MEANS FOR SELECTIVE INTRODUCTION AND WITHDRAWAL OF FLUENT MATERIAL INCLUDING A MEASURED QUANTITY OF BLOOD AT THE BEGINNING AND END OF A STORAGE PERIOD, AT LEAST ONE LIQUID-SEALING PARTITION DIVIDING THE INTERIOR OF THE BAG INTO A PLURALITYL OF TREATMENT COMPARTMENTS, A PASSAGE IN SAID PARTITION FOR SELECTIVE EXCHANGE OF STORED MATERIAL BETWEEN COMPARTMENTS, AND MEANS EXTERIORLY OF THE BAG FOR CLOSING SAID PASSAGE BY FORCING OPPOSITE SIDES OF THE BAG INTO SEALING ENGAGEMENT IN SAID PASSAGE, AND SAID BAG BEING CHARACTERIZED BY: (A) ITS ABILITY TO WITHSTAND CENTRIFUGAL FORCES OF CENTRIFUGING, (B) MAINTAINING STERILITY OF ITS CONTENTS, (C) PROVIDING PROPER HEAT TRANSFERE IN FREEZING AND THAWING OPERATIONS, (D) BEING COMPATIBLE WITH BLOOD AND LIQUID NITROGEN, AND (E) BEING FLEXIBLE AT ALL TEMPERATURES IN A RANGE FROM AMBIENT TO THE TEMPERATURE OF LIQUID NITROGEN.
Claim 2
Dependent Claim 170 words
A CONTAINER FOR THE TREATMENT AND STORAGE OF WHOLE BLOOD, COMPRISING A FLEXIBLE BAG OF TRANSLUCENT COMPOSITION STERILIZED AFTER FABRICATION AND HAVING A CIRCUMFERENTIALL ENCLOSURE PROVIDING A HERMETIC SEAL FOR THE CONTENTS OF THE CONTAINER, VALVE-CONTROLLED MEANS FOR SELECTIVE INTRODUCTION AND WITHDRAWAL OF FLUENT MATERIAL INCLUDING A MEASURED QUANTITY OF BLOOD AT THE BEGINNING AND END OF A STORAGE PERIOD, AT LEAST ONE LIQUID-SEALING PARTITION DIVIDING THE INTERIOR OF THE BAG INTO A PLURALITYL OF TREATMENT COMPARTMENTS, A PASSAGE IN SAID PARTITION FOR SELECTIVE EXCHANGE OF STORED MATERIAL BETWEEN COMPARTMENTS, AND MEANS EXTERIORLY OF THE BAG FOR CLOSING SAID PASSAGE BY FORCING OPPOSITE SIDES OF THE BAG INTO SEALING ENGAGEMENT IN SAID PASSAGE, AND SAID BAG BEING CHARACTERIZED BY: (A) ITS ABILITY TO WITHSTAND CENTRIFUGAL FORCES OF CENTRIFUGING, (B) MAINTAINING STERILITY OF ITS CONTENTS, (C) PROVIDING PROPER HEAT TRANSFERE IN FREEZING AND THAWING OPERATIONS, (D) BEING COMPATIBLE WITH BLOOD AND LIQUID NITROGEN, AND (E) BEING FLEXIBLE AT ALL TEMPERATURES IN A RANGE FROM AMBIENT TO THE TEMPERATURE OF LIQUID NITROGEN.

References Cited (Backward Citations)

US2437518A Cited
US2833691A Cited
US2695614A Cited
US2753990A Cited
US2808829A Cited
US2838046A Cited
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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) 1969-06-20 1969-12-20 1970-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-20 1973-12-20 1974-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-20 1977-12-20 1978-06-21 $7700.00 Window Closed / Lapsed

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