Patent US2067757A successfully refreshed from Google Patents.
Patent US3667962A successfully refreshed from Google Patents.
US3667962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonated drink base for making carbonated beverages by addition to water
Assignee: Pillsbury Co
•
Filing: 1969-07-14
•
Granted: 1972-06-06
•
Expires: 1989-07-14
Abstract
Abstract A DRIED BASE WHICH FORMS A CARBONATED BEVERAGE WHEN ADDED TO WATER. THE BASE CONSISTS OF TWO POROUS FRIABLE BODIES, ONE CONTAINING A SOLUBLE, THERMOPLASTIC, AMORPHOUS SACCHARIDE AND AN EDIBLE ACID, THE OTHER A SOLUBLE THERMOPLASTIC, AMORPHOUS SACCHARIDE AND AN EDIBLE CARBONATE WHICH WILL REACT WITH THE ACID WHEN PLACED IN WATER TO EVOLVE CARBON DIOXIDE. PREMATURE REACTION BETWEEN ACID AND CARBONATE IS PREVENTED BY THEIR PHYSICAL SEPARATION.
Inventors
- 👤 Edward L Fritzberg
- 👤 Donald C Fellenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:42
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |