US2394566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for obtaining products derived from blood
Assignee: Parke Davis and Co LLC
•
Filing: 1942-07-13
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Granted: 1946-02-12
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Expires: 1962-07-13
Abstract
No abstract record available.
Inventors
- 👤 Harry P Smith
- 👤 Walter H Seegers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:03
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/64; C12N9/6421; C12N9/6424; C12N9/6429; C12Y; C12Y304/00; C12Y304/21; C12Y304/21005; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
Total Claims: 0
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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) | 1949-02-11 | 1949-08-13 | 1950-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-11 | 1953-08-13 | 1954-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-11 | 1957-08-13 | 1958-02-12 | $7700.00 | Window Closed / Lapsed |