Patent US2652762A successfully refreshed from Google Patents.
US2652762A
Expired / Lapsed
US
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One-way disk plow
Assignee: Individual
•
Filing: 1948-10-06
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Granted: 1953-09-22
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Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Hubert E Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:40
CPC Classifications
A; A01; A01B; A01B5/00; A01B5/10; A01B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1888876A
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US2225253A
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US2322342A
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US2394210A
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US2320141A
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US2392903A
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US2467111A
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US2462588A
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 |