Patent US1884936A successfully refreshed from Google Patents.
Patent US2044981A successfully refreshed from Google Patents.
US2044981A
Expired / Lapsed
US
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Grading and sorting machine
Assignee: Individual
•
Filing: 1931-12-12
•
Granted: 1936-06-23
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Expires: 1951-12-12
Abstract
No abstract record available.
Inventors
- 👤 Guttman Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:12
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/3416; Y; Y10; Y10S; Y10S209/00; Y10S209/912; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1505; Y10T74/1508; Y10T74/1518; Y10T74/1519; Y10T74/1521; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |