US3393009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled swinging seat arrangement for row crop conveyor
Assignee: LEO H TART
•
Filing: 1967-03-09
•
Granted: 1968-07-16
•
Expires: 1987-03-09
Abstract
No abstract record available.
Inventors
- 👤 Leo H Tart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
A; A01; A01D; A01D67/00; A01D67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US587175A
Cited
US2511940A
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US715147A
Cited
US1094293A
Cited
US2433859A
Cited
US2984290A
Cited
US3199687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |