US3451530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop conveying means for harvesters
Assignee: Case LLC
•
Filing: 1967-06-07
•
Granted: 1969-06-24
•
Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 John E Shumway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:01
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/14; A01D61/00; A01D61/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE22966C
Cited
US2122673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |