US2731349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edible container for ice cream and the like
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1953-07-22
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Granted: 1956-01-17
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Expires: 1973-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:02
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/44; A23G9/50; A23G9/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SHAPED EDIBLE CONTAINER FOR FROZEN COMOSTIBLES, THE WALLS OF SAID CONTAINER COMPRISING A SUBSTANTIALLY PREPONDERANT AMOUNT OF PURE DEXTRAN HAVING A MOLECULAR WEIGHT IN THE RANGE OF 5000 TO 150X106, AS DETERMINED BY LIGHT SCATTING MEASUREMENTS, A MOLECULAR STRUCTURAL REPEATING ALPHA-1,6 TO NON-ALPHA-1,L LINKAGES RATIO IN THE RANGE BETWEEN 1.9:1 AND 30:1, DISPERSIBLE IN WATER TO YIELD STABLE AQUEOUS DISPERSIONS OF FROM 0.5% TO 50% BY WEIGHT CONCENTRATION, AND HAVING A COLLOIDAL OSMOTIC PRESSURE IN LIQUIDS OF FROM 1.0 MM. HG TO 300 MM. HG.
Claim 2
Dependent Claim
86 words
A SHAPED EDIBLE CONTAINER FOR FROZEN COMOSTIBLES, THE WALLS OF SAID CONTAINER COMPRISING A SUBSTANTIALLY PREPONDERANT AMOUNT OF PURE DEXTRAN HAVING A MOLECULAR WEIGHT IN THE RANGE OF 5000 TO 150X106, AS DETERMINED BY LIGHT SCATTING MEASUREMENTS, A MOLECULAR STRUCTURAL REPEATING ALPHA-1,6 TO NON-ALPHA-1,L LINKAGES RATIO IN THE RANGE BETWEEN 1.9:1 AND 30:1, DISPERSIBLE IN WATER TO YIELD STABLE AQUEOUS DISPERSIONS OF FROM 0.5% TO 50% BY WEIGHT CONCENTRATION, AND HAVING A COLLOIDAL OSMOTIC PRESSURE IN LIQUIDS OF FROM 1.0 MM. HG TO 300 MM. HG.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |