US2995135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combine chaff and grain conveyor
Assignee: Individual
•
Filing: 1958-08-22
•
Granted: 1961-08-08
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Krum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:45
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/46; A01F12/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |