US3174554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Row crop cultivating machines
Assignee: Individual
•
Filing: 1964-01-30
•
Granted: 1965-03-23
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 William O Wright
- 👤 James L Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:15
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/04; Y; Y10; Y10S; Y10S172/00; Y10S172/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US322941A
Cited
GB681009A
Cited
US2788726A
Cited
US2775926A
Cited
US2859577A
Cited
US2805612A
Cited
GB825386A
Cited
GB832554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |