Patent US2376848A successfully refreshed from Google Patents.
US2376848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing crystalline rennin
Assignee: Carnation Co
•
Filing: 1942-08-22
•
Granted: 1945-05-22
•
Expires: 1962-08-22
Abstract
No abstract record available.
Inventors
- 👤 Cloyce L Hankinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:21
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/64; C12N9/6421; C12N9/6478; C12N9/6481; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-05-21 | 1948-11-20 | 1949-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-21 | 1952-11-20 | 1953-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-21 | 1956-11-20 | 1957-05-22 | $7700.00 | Window Closed / Lapsed |