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US3846077A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid sample collection tube

Assignee: Individual
•
Filing: 1972-09-18
•
Granted: 1974-11-05
•
Expires: 1992-09-18
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Abstract

Abstract 1. A COLLECTION CONTAINER FOR ISOLATING A LIQUID SAMPLE FROM A SPECIMEN CONTAINER COMPRISING: AN ELONGATED CYLINDRICAL TUBE HAVING AN OUTSIDE DIAMETER SMALLER THAN THE SPECIMEN CONTAINER, AND INCLUDING AN APERTURE AT ONE END COMMUNICATIVE WITH SAID TUBE; CIRCULAR DISC MEANS FORMED RADIALLY AT SAID APERTURE END OF SAID TUBE FOR SLIDABLY ENGAGING THE INTERNAL CYLINDRICAL WALLS OF THE SPECIMEN CONTAINER, ABUTMENT MEANS FORMED ON SAID TUBE ADJACENT TO AID CIRCULAR DISC MEANS FOR ENGAGING AND SUPPORTING AT LEAST A PORTION OF SAID CIRCULAR DISC MEANS; AND FLUID RESISTANCE MEANS DISPOSED IN SAID APERTURE TO LIMIT THE FLUID FLOW FROM SAID TUBE SO THAT WHEN SAID TUBE IS INSERTED INTO THE SPECIMEN CONTAINER, AND CIRCULAR DISC MEANS WILL CONTACT AND BE SUPPORTED BY SAID ABUTMENT MEANS TO FORM A SEAL AGAINST THE INTERNAL SPECIMEN CONTAINER WALLS AND WHEN SAID TUBE IS REMOVED FROM THE SPECIMEN CONTAINER, SAID CIRCULAR DISC MEANS WILL SEPARATE FROM SAID ABUTMENT MEANS TO RELEASE THE SEAL FROM THE CONTAINER WALLS.

Inventors

  • 👤 P Ohringer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:20
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5021; A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; B01D; B01D33/00; B01D33/01; B01D33/015; G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/491

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
A COLLECTION CONTAINER FOR ISOLATING A LIQUID SAMPLE FROM A SPECIMEN CONTAINER COMPRISING: AN ELONGATED CYLINDRICAL TUBE HAVING AN OUTSIDE DIAMETER SMALLER THAN THE SPECIMEN CONTAINER, AND INCLUDING AN APERTURE AT ONE END COMMUNICATIVE WITH SAID TUBE; CIRCULAR DISC MEANS FORMED RADIALLY AT SAID APERTURE END OF SAID TUBE FOR SLIDABLY ENGAGING THE INTERNAL CYLINDRICAL WALLS OF THE SPECIMEN CONTAINER, ABUTMENT MEANS FORMED ON SAID TUBE ADJACENT TO AID CIRCULAR DISC MEANS FOR ENGAGING AND SUPPORTING AT LEAST A PORTION OF SAID CIRCULAR DISC MEANS; AND FLUID RESISTANCE MEANS DISPOSED IN SAID APERTURE TO LIMIT THE FLUID FLOW FROM SAID TUBE SO THAT WHEN SAID TUBE IS INSERTED INTO THE SPECIMEN CONTAINER, AND CIRCULAR DISC MEANS WILL CONTACT AND BE SUPPORTED BY SAID ABUTMENT MEANS TO FORM A SEAL AGAINST THE INTERNAL SPECIMEN CONTAINER WALLS AND WHEN SAID TUBE IS REMOVED FROM THE SPECIMEN CONTAINER, SAID CIRCULAR DISC MEANS WILL SEPARATE FROM SAID ABUTMENT MEANS TO RELEASE THE SEAL FROM THE CONTAINER WALLS.
Claim 2
Dependent Claim 163 words
A COLLECTION CONTAINER FOR ISOLATING A LIQUID SAMPLE FROM A SPECIMEN CONTAINER COMPRISING: AN ELONGATED CYLINDRICAL TUBE HAVING AN OUTSIDE DIAMETER SMALLER THAN THE SPECIMEN CONTAINER, AND INCLUDING AN APERTURE AT ONE END COMMUNICATIVE WITH SAID TUBE; CIRCULAR DISC MEANS FORMED RADIALLY AT SAID APERTURE END OF SAID TUBE FOR SLIDABLY ENGAGING THE INTERNAL CYLINDRICAL WALLS OF THE SPECIMEN CONTAINER, ABUTMENT MEANS FORMED ON SAID TUBE ADJACENT TO AID CIRCULAR DISC MEANS FOR ENGAGING AND SUPPORTING AT LEAST A PORTION OF SAID CIRCULAR DISC MEANS; AND FLUID RESISTANCE MEANS DISPOSED IN SAID APERTURE TO LIMIT THE FLUID FLOW FROM SAID TUBE SO THAT WHEN SAID TUBE IS INSERTED INTO THE SPECIMEN CONTAINER, AND CIRCULAR DISC MEANS WILL CONTACT AND BE SUPPORTED BY SAID ABUTMENT MEANS TO FORM A SEAL AGAINST THE INTERNAL SPECIMEN CONTAINER WALLS AND WHEN SAID TUBE IS REMOVED FROM THE SPECIMEN CONTAINER, SAID CIRCULAR DISC MEANS WILL SEPARATE FROM SAID ABUTMENT MEANS TO RELEASE THE SEAL FROM THE CONTAINER WALLS.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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