US2406624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing invertase preparations
Assignee: Sun Chemical Corp
•
Filing: 1943-02-08
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Granted: 1946-08-27
•
Expires: 1963-02-08
Abstract
No abstract record available.
Inventors
- 👤 Carl A Neuberg
- 👤 Irene S Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:45
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2408; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/918
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) | 1949-08-26 | 1950-02-25 | 1950-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-26 | 1954-02-25 | 1954-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-26 | 1958-02-25 | 1958-08-27 | $7700.00 | Window Closed / Lapsed |