US2503665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloration of fresh citrus fruits
Assignee: American Machinery Corp
•
Filing: 1950-02-02
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Granted: 1950-04-11
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Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Carl E Gericke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:08
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PROCCESS OF ENHANCING THE VARIETAL COLOR OF CITRUS FRUIT, THE STEP OF BRINGING THE FRUIT INTO CONTACT WITH A DYE SUSPENDED IN A SOLUTION OF AN AMINE AT A TEMPERATURE IN THE ORDER OF 104*F. TO 124*F., SID AMINE HAVING AT LEAST ONE HYDROCARBON CHAIN OF 10 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
53 words
IN A PROCCESS OF ENHANCING THE VARIETAL COLOR OF CITRUS FRUIT, THE STEP OF BRINGING THE FRUIT INTO CONTACT WITH A DYE SUSPENDED IN A SOLUTION OF AN AMINE AT A TEMPERATURE IN THE ORDER OF 104*F. TO 124*F., SID AMINE HAVING AT LEAST ONE HYDROCARBON CHAIN OF 10 TO 20 CARBON ATOMS.
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) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |