US2989829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windrower with crushing rolls
Assignee: International Motors LLC
•
Filing: 1958-12-24
•
Granted: 1961-06-27
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Sherman C Heth
- 👤 David R Snoeyenbos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:36
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/10; A01D43/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1968683A
Cited
US1958910A
Cited
US2630664A
Cited
US2592928A
Cited
US2592269A
Cited
US2811819A
Cited
US2790290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |