Patent US2523708A successfully refreshed from Google Patents.
US2523708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of hydroxyalkyl ethers of carbohydrate gums
Assignee: General Mills Inc
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Filing: 1945-12-15
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Granted: 1950-09-26
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Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Owen A Moe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:27
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/009; C08B37/0093; C08B37/0096
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
AN ACETIC ACID ESTER OF A HYDROXYETHYL ETHER OF A MANNAN GUM.
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) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |