Patent US2428665A successfully refreshed from Google Patents.
US2428665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring of cereal particles
Assignee: Pillsbury Co
•
Filing: 1944-08-10
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Granted: 1947-10-07
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Expires: 1964-08-10
Abstract
No abstract record available.
Inventors
- 👤 Chastain G Harrel
- 👤 Robert O Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:13
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15474E
Cited
GB128089A
Cited
GB269796A
Cited
US2215168A
Cited
US2012708A
Cited
US2157755A
Cited
US2348443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |