Patent DE876071C successfully refreshed from Google Patents.
Patent US2712673A successfully refreshed from Google Patents.
US2712673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton precleaning apparatus
Assignee: Gullett Gin Co
•
Filing: 1951-09-25
•
Granted: 1955-07-12
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:51
CPC Classifications
D; D01; D01G; D01G9/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1880934A
Cited
US2001223A
Cited
US2001974A
Cited
US2005265A
Cited
US2081412A
Cited
US2100198A
Cited
US2114552A
Cited
US2087390A
Cited
US2100301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |