US2471435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ingredient for prepared food mixes and process of preparing same
Assignee: Pillsbury Co
•
Filing: 1946-02-18
•
Granted: 1949-05-31
•
Expires: 1966-02-18
Abstract
No abstract record available.
Inventors
- 👤 Mary H Kimball
- 👤 Chastain G Harrel
- 👤 Robert O Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:06
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1431938A
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US1432057A
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US1701085A
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US1928781A
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US2035899A
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US2065676A
Cited
US2168360A
Cited
US2392833A
Cited
US2431497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |