US3074851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation of protein solutions
Assignee: Individual
•
Filing: 1958-12-02
•
Granted: 1963-01-22
•
Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 Knedel Maximilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:42
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83; Y10S530/843; Y10S530/844; Y10S530/848
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD OF FRACTIONATING PROTEIN SOLUTIONS OF HUMAN AND ANIMAL ORIGIN SELECTED FROM THE GROUP CONSISTING OF BLOOD RESUM, ASCITES AND PLEURAL EXUDATE, WHICH COMPRISES ADDING TO THE PROTEIN SOLUTIONS A COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 2
Independent Claim
36 words
THE METHOD OF FRACTIONATING PROTEIN SOLUTIONS OF HUMAN AND ANIMAL ORIGIN SELECTED FROM THE GROUP CONSISTING OF BLOOD RESUM, ASCITES AND PLEURAL EXUDATE, WHICH COMPRISES ADDING TO THE PROTEIN SOLUTIONS A COMPOUND HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2469193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |