US2652679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windrow turning apparatus
Assignee: Case LLC
•
Filing: 1948-02-26
•
Granted: 1953-09-22
•
Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Norman R Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:07
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/08; A01D78/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468382A
Cited
GB191116403A
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GB224009A
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FR617583A
Cited
GB362929A
Cited
US2040689A
Cited
US2315522A
Cited
US2432653A
Cited
US2447354A
Cited
US2459961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |