Patent US2139282A successfully refreshed from Google Patents.
Patent US20030195510A1 successfully refreshed from Google Patents.
Patent US739733A successfully refreshed from Google Patents.
US739733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton-separator.
Assignee: Individual
•
Filing: 1903-03-14
•
Granted: 1903-09-22
•
Expires: 1923-03-14
Abstract
No abstract record available.
Inventors
- 👤 Robert Sobotka
- 👤 William Bunion Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:23
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02
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) | 1906-09-21 | 1907-03-23 | 1907-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-21 | 1911-03-23 | 1911-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-21 | 1915-03-23 | 1915-09-22 | $7700.00 | Window Closed / Lapsed |