US2855839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating perishable onions in storage
Assignee: D M RUSSELL
•
Filing: 1953-03-09
•
Granted: 1958-10-14
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Teigen Ferdinand Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/144; A23B7/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US843909A
Cited
US1431146A
Cited
US1523509A
Cited
US1693856A
Cited
GB463369A
Cited
US2251617A
Cited
US2370422A
Cited
US2365890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |