US3436346A
Expired / Lapsed
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Process for preparing filterable aqueous polysaccharide solutions
Assignee: Pillsbury Co
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Filing: 1968-06-10
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Granted: 1969-04-01
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Expires: 1988-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jack D Westover
- 👤 Robert B Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:06
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; C09K8/88; C09K8/90; C09K8/905; C08; C08B; C08B37/00; C08B37/0006; C08B37/0024; C12; C12P; C12P19/00; C12P19/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
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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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |