US2230130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of obtaining microbian enzymes
Assignee: Individual
•
Filing: 1938-03-18
•
Granted: 1941-01-28
•
Expires: 1958-03-18
Abstract
No abstract record available.
Inventors
- 👤 Bucherer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:20
CPC Classifications
C; C12; C12N; C12N9/00; A; A24; A24B; A24B15/00; A24B15/18; A24B15/20; C12N1/00; C12N1/36
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) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |