US2451528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating worm-damaged nuts from sound nuts by immersion in a gravity liquid
Assignee: Individual
•
Filing: 1943-06-28
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Granted: 1948-10-19
•
Expires: 1963-06-28
Abstract
No abstract record available.
Inventors
- 👤 James A Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:07
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B1/00; B07; B07B; B07B13/00
Claims Analysis
Total Claims: 0
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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) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |