Patent US2674537A successfully refreshed from Google Patents.
US2674537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation of citrus fruits
Assignee: Individual
•
Filing: 1951-06-25
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Granted: 1954-04-06
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Expires: 1971-06-25
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Hopkins
- 👤 Kenneth W Loucks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:02
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B7/00; A23B7/14; A23B7/153; A23B7/154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
COMPOSITION FOR TREATING CITRUS FRUITS FOR CONTROLLING DECAY DURING THE POST-HARVEST PERIOD COMPRISING AN AQUEOUS SOLUTION OF A WATERSOLUBLE ALKALI METAL SALT OF A FUNGICIDAL PHENOL AND HEXAMETHYLENE TETRAMINE.
Claim 2
Dependent Claim
29 words
COMPOSITION FOR TREATING CITRUS FRUITS FOR CONTROLLING DECAY DURING THE POST-HARVEST PERIOD COMPRISING AN AQUEOUS SOLUTION OF A WATERSOLUBLE ALKALI METAL SALT OF A FUNGICIDAL PHENOL AND HEXAMETHYLENE TETRAMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |