US2972852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for laterally displacing grass, hay or other material lying on the ground
Assignee: C Van der Lely NV
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Filing: 1958-10-13
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Granted: 1961-02-28
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
- 👤 Lely Ary Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:46
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/08; A01D78/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |