Patent US2478438A successfully refreshed from Google Patents.
US2478438A
Expired / Lapsed
US
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Production of gun-puffed ready-toeat food product
Assignee: Kellanova
•
Filing: 1946-05-27
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Granted: 1949-08-09
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Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Thompson
- 👤 William P Penty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:34
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725171A
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US1945946A
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US2162376A
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US2295116A
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US2339419A
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US2388904A
Cited
US2421216A
Cited
US2436519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |