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US2513327A Expired / Lapsed US ⏱️ 0.0 years remaining

Treponema pallidum culture and products thereof

Assignee: EDWARD UNTERBERGER
•
Filing: 1943-03-18
•
Granted: 1950-07-04
•
Expires: 1963-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Rose R Ichelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 02:09
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/20; A; A61; A61K; A61K39/00; A61K39/02; A61K39/0225; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/947

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 33 words
IN THE MANUFACTURE OF DERIVATIVES OF TREPONEMA PALLIDUM, THE STEP WHICH COMPRISES INCUBATING TREPONEMA PALLIDUM IN A LIQUID CULTURE MEDIUM COMPRISING PRINCIPALLY HUMAN BLOOD SERUM AND CONTAIN A SMALL PORTION OF HOG BLOOD.
Claim 2
Dependent Claim 33 words
IN THE MANUFACTURE OF DERIVATIVES OF TREPONEMA PALLIDUM, THE STEP WHICH COMPRISES INCUBATING TREPONEMA PALLIDUM IN A LIQUID CULTURE MEDIUM COMPRISING PRINCIPALLY HUMAN BLOOD SERUM AND CONTAIN A SMALL PORTION OF HOG BLOOD.

References Cited (Backward Citations)

US1384444A Cited
US2004673A Cited
DE626628C Cited
US2255079A Cited
US2285708A Cited
US2298561A Cited
US2293890A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-03 1954-01-02 1954-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-03 1958-01-02 1958-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-03 1962-01-02 1962-07-04 $7700.00 Window Closed / Lapsed

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