US2665992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing coffee beans
Assignee: Individual
•
Filing: 1951-07-10
•
Granted: 1954-01-12
•
Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 Naps Marguerite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/10; A23F5/14; A23F5/145; A23B; A23B7/00; A23B7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE PROCESS OF TREATING RAOSTED COFFEE BEANS TO PREVENT DETERIORATION THEREOF COMPRISING FORMING AN IMPERVIOUS FILM OVER THE SURFACE OF THE INDIVIDUAL BEANS, SAID FILM BEING COMPOSED OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METHYL CELLULOSE, HYDROXYETHYL CELLULOSE AND SODIUM CARBOXYMETHYL CELLULOSE AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID AND TARTARIC ACID.
Claim 2
Dependent Claim
58 words
THE PROCESS OF TREATING RAOSTED COFFEE BEANS TO PREVENT DETERIORATION THEREOF COMPRISING FORMING AN IMPERVIOUS FILM OVER THE SURFACE OF THE INDIVIDUAL BEANS, SAID FILM BEING COMPOSED OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METHYL CELLULOSE, HYDROXYETHYL CELLULOSE AND SODIUM CARBOXYMETHYL CELLULOSE AND A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID AND TARTARIC ACID.
References Cited (Backward Citations)
GB325039A
Cited
US2169250A
Cited
US2210819A
Cited
US2346755A
Cited
US2480103A
Cited
US2558042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |