Patent US2475838A successfully refreshed from Google Patents.
US2475838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of fruits to prevent browning
Assignee: Individual
•
Filing: 1947-10-03
•
Granted: 1949-07-12
•
Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 Johnson Gestur
- 👤 Dante G Guadagni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:33
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/04; A23B7/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2028970A
Cited
US2298933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |