US2683533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain separator and cleaner
Assignee: HUNTLEY Manufacturing Co
•
Filing: 1950-03-10
•
Granted: 1954-07-13
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:39
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US510768A
Cited
US701865A
Cited
US755073A
Cited
US755330A
Cited
US875854A
Cited
US852050A
Cited
US1756089A
Cited
US2510741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |