US2721861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing an aluminum caseinate
Assignee: Individual
•
Filing: 1951-10-01
•
Granted: 1955-10-25
•
Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Laurene O Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; C; C07; C07K; C07K14/00; C07K14/435; C07K14/78; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PROCESS OF PREPARING AN ACID-SOLUBLE ALUMINUM
Claim 2
Dependent Claim
7 words
A PROCESS OF PREPARING AN ACID-SOLUBLE ALUMINUM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |