US2788730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offset disk harrow
Assignee: International Motors LLC
•
Filing: 1953-11-04
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Granted: 1957-04-16
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Expires: 1973-11-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Kirchner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:57
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE880672C
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US696808A
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GB184894A
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FR568051A
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GB402764A
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US2386378A
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US2463169A
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US2575622A
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US2616349A
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US2660938A
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US2692148A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |