US2889226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-dissolving instant coffee tablets
Assignee: MORRIS SOLOTOROVKSY
•
Filing: 1957-10-02
•
Granted: 1959-06-02
•
Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 David F Hinkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:35
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/36; A23F5/38; A23F5/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A SELF-DISSOLVING INSTANT COFFEE TABLET COMPRISING AS A FORMED BODY A HOMOGENEOUS MIXTURE OF ABOUT 60 TO 90 PARTS BY WEIGHT OF INSTANT COFFEE POWDER, 4 TO 10 PARTS BY WEIGHT OF POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 3000 TO 7500, AND 6 TO 30 PARTS OF A DISINTEGRATING COMBINATION COMPRISING 2 TO 10 PARTS OF SODIUM BICARBONATE AND 4 TO 20 PARTS OF ALGINIC ACID, WITH THE BICARBONATE AND ACID BEING IN ABOUT A 1 TO 2 RATIO.
Claim 2
Dependent Claim
83 words
A SELF-DISSOLVING INSTANT COFFEE TABLET COMPRISING AS A FORMED BODY A HOMOGENEOUS MIXTURE OF ABOUT 60 TO 90 PARTS BY WEIGHT OF INSTANT COFFEE POWDER, 4 TO 10 PARTS BY WEIGHT OF POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF 3000 TO 7500, AND 6 TO 30 PARTS OF A DISINTEGRATING COMBINATION COMPRISING 2 TO 10 PARTS OF SODIUM BICARBONATE AND 4 TO 20 PARTS OF ALGINIC ACID, WITH THE BICARBONATE AND ACID BEING IN ABOUT A 1 TO 2 RATIO.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |