US2490716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing starch sirup
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1945-03-30
•
Granted: 1949-12-06
•
Expires: 1965-03-30
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Smith
- 👤 Eldred K Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:24
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/06; C13K1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR805092A
Cited
US2155318A
Cited
GB509710A
Cited
US2191365A
Cited
US2328191A
Cited
US2388222A
Cited
US2319648A
Cited
US2330785A
Cited
US2319649A
Cited
US2388223A
Cited
US2389119A
Cited
US2332758A
Cited
US2372233A
Cited
US2413676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |