Patent US2513327A successfully refreshed from Google Patents.
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
Abstract
No abstract record available.
Inventors
- 👤 Rose R Ichelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:50
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 |