US2656923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity sorter and fast normalizer
Assignee: ELECTRIC SORTING MACHINE Co
•
Filing: 1948-12-13
•
Granted: 1953-10-27
•
Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 David C Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/342; B07C5/3425; Y; Y10; Y10S; Y10S209/00; Y10S209/908; Y10S209/913; Y10S209/914
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |