US3022173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making coffee and tea brews and the resulting product
Assignee: GAF Chemicals Corp
•
Filing: 1956-05-07
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Granted: 1962-02-20
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Tiedemann Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:06
CPC Classifications
A; A23; A23F; A23F3/00; A23F3/16; A23F3/30; A23F3/22; A23F5/00; A23F5/24; A23F5/243; A23F5/36; A23F5/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COMPOSITON OF MATTER COMPRISING A MEMBER OF THE CLASS, CONSISTING OF COFFEE AND TEA, IN THE FORM OF A CONCENTRATED BREW, AND POLYVINYLPYRRLIDONE, SAID POLYVINYLPYRROLIDONE BEING PRESENT IN AN AMOUNT OF FROM 1 TO 10% BY WEIGHT OF THE SOLIDS PRESENT IN SAID CONCENTRATED BREW.
Claim 2
Dependent Claim
46 words
A COMPOSITON OF MATTER COMPRISING A MEMBER OF THE CLASS, CONSISTING OF COFFEE AND TEA, IN THE FORM OF A CONCENTRATED BREW, AND POLYVINYLPYRRLIDONE, SAID POLYVINYLPYRROLIDONE BEING PRESENT IN AN AMOUNT OF FROM 1 TO 10% BY WEIGHT OF THE SOLIDS PRESENT IN SAID CONCENTRATED BREW.
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |