US1572055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning, separating, and grading seeds and other bodies
Assignee: WARREN SEED CLEANING Co
•
Filing: 1921-05-27
•
Granted: 1926-02-09
•
Expires: 1941-05-27
Abstract
No abstract record available.
Inventors
- 👤 Harry R Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:17
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-02-08 | 1929-08-10 | 1930-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-08 | 1933-08-10 | 1934-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-08 | 1937-08-10 | 1938-02-09 | $7700.00 | Window Closed / Lapsed |