US2479481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for isolating cndenatured
Assignee: —
•
Filing: —
•
Granted: 1949-08-16
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:29
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/415; A; A23; A23J; A23J1/00; A23J1/14; C07K1/00; C07K1/14; C07K1/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321480A
Cited
US1992002A
Cited
US2007962A
Cited
US2099379A
Cited
US2278670A
Cited
US2233213A
Cited
US2297685A
Cited
US2377853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |