US3173236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain harvester
Assignee: Individual
•
Filing: 1963-04-22
•
Granted: 1965-03-16
•
Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wylie A Byrd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
A; A01; A01D; A01D57/00; A01D63/00; A01D63/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2927414A
Cited
US3107474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |