US2480743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basic aluminum salt of an aliphatic amino acid and method of preparing the same
Assignee: Individual
•
Filing: 1946-05-03
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Granted: 1949-08-30
•
Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Krantz
- 👤 Dorothy V Kibler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:35
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR531960A
Cited
DE569946C
Cited
US1967649A
Cited
US2011292A
Cited
US2101867A
Cited
US2125961A
Cited
US2258718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |