US2489267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded plant product and method of making same
Assignee: Allied Mills Inc
•
Filing: 1944-04-03
•
Granted: 1949-11-29
•
Expires: 1964-04-03
Abstract
No abstract record available.
Inventors
- 👤 Chapin Helen Wilken
- 👤 Mackebee Susan Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:59
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)
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US2162376A
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US2254241A
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US2261456A
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US2282783A
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US2443138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |