Patent US2935409A successfully refreshed from Google Patents.
US2935409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered alginate jelly composition and method of preparing the same
Assignee: Alginate Industries Ltd
•
Filing: 1957-10-25
•
Granted: 1960-05-03
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Mcdowell Richard Henry
- 👤 Boyle James Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:51
CPC Classifications
A; A23; A23L; A23L9/00; A23L9/10; A23L29/00; A23L29/20; A23L29/206; A23L29/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PRODUCT WHICH DISSOLVES IN MILK AND WILL SUBSEQUENTLY SET TO A JELLY COMPRISING A DRY POWDERED MIXTURE OF AN ALKALI ALGINATE, AN ALKALI CARBONATE AND CALCIUM SULPHATE.
Claim 2
Dependent Claim
28 words
A PRODUCT WHICH DISSOLVES IN MILK AND WILL SUBSEQUENTLY SET TO A JELLY COMPRISING A DRY POWDERED MIXTURE OF AN ALKALI ALGINATE, AN ALKALI CARBONATE AND CALCIUM SULPHATE.
References Cited (Backward Citations)
US2441729A
Cited
US2808337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |