US2446913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of utilizing proteinaceous waste liquids
Assignee: Individual
•
Filing: 1944-11-10
•
Granted: 1948-08-10
•
Expires: 1964-11-10
Abstract
No abstract record available.
Inventors
- 👤 Victor L Erlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:20
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/001; A23J1/005; A23K; A23K10/00; A23K10/30; A23K10/37; B; B01; B01J; B01J47/00; B01J47/014; Y; Y02; Y02P; Y02P60/00; Y02P60/80; Y02P60/87; Y10; Y10S; Y10S530/00; Y10S530/859
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1583151A
Cited
US2049524A
Cited
US2082711A
Cited
US2263608A
Cited
US2341381A
Cited
US2354172A
Cited
US2387824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |