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US3490437A Expired / Lapsed US ⏱️ 0.0 years remaining

Embryonic organ cells in a state of preservation and methods for preserving the same

Assignee: TAYLOR A OSTEN
•
Filing: 1966-10-17
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Granted: 1970-01-20
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Expires: 1986-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas T Bakondy
  • 👤 Taylor A Osten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:43
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2089; A61J1/2003; A61J1/2006; A61J1/201; A61J1/2013; A61J1/2048; A61J1/2065

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 186 words
A METHOD OF PRESERVING EMBRYONIC ANIMAL ORGANS AND PREPARING THE SAME FOR HYPODERMIC INJECTION, COMPRISING THE STEPS OF: (A) REMOVING AN ANIMAL EMBRYO FROM THE MOTHER BY CAESAREAN SECTION; (B) EXTRACTING THE BLOOD FROM SAID EMBRYO, (I) SEPARATING PLASMA FROM SAID BLOOD, (II) COOLING SAID PLASMA IN AN INERT GASEOUS ATMOSPHERE TO AT LEAST AS COOL AS 0* C., (III) DRYING SAID PLASMA SO COOLED AT SUBSTANTIALLY SUBATMOSPHERIC PRESSURE BY REMOVAL OF SUBSTANTIALLY THE ENTIRE NATURAL WATER CONTENT OF SAID PLASMA; (C) (I) SEPARATING A VITAL ORGAN FROM THE SAID EMBRYO AND PROMPTLY COOLING SADI ORGAN TO AT LEAST AS COOL AS - 20* C., (II) DRYING SAID ORGAN SO COLLED AT SUBATMOSPHERIC PRESSURE, TO REMOVE ABOUT 90 PERCENT OF THE NATURAL WATER OF SAID ORGAN, (III) COMMINUTING SAID ORGAN SO DRIED AND PACKAGING PORTIONS OF SAID DRIED PLASMA SOLIDS TOGETHER WITH PORTIONS OF SAID DRIED COMMINUTED ORGAN IN A LIGHT-FREE CLOSED CONTAINER; WHEREBY UPON ADDING A MEASURED AMOUNT OF WATER TO SAID PLASMA SOLIDS AND TO THE SAID PORTION OF DRIED COMMINUTED ORGAN A FLUID SUSPENSION OF SAID ORGAN PORTION IS PRODUCED SUITABLE FOR INJECTION.

References Cited (Backward Citations)

US3022783A Cited
DE1092163B Cited
GB1082732A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-19 1973-07-21 1974-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-19 1977-07-21 1978-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-19 1981-07-21 1982-01-20 $7700.00 Window Closed / Lapsed

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