US2490951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food treatment process
Assignee: Individual
•
Filing: 1948-03-26
•
Granted: 1949-12-13
•
Expires: 1968-03-26
Abstract
No abstract record available.
Inventors
- 👤 Melville E Dunkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:09
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/721
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US45765A
Cited
US1017144A
Cited
US1250079A
Cited
US1387710A
Cited
US1975012A
Cited
US1996171A
Cited
GB425903A
Cited
GB413488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |