US2742298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling mechanism for harvesters
Assignee: Harris Manufacturing Corp
•
Filing: 1953-08-31
•
Granted: 1956-04-17
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Homer D Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:34
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/28; A01D75/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US657700A
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US764205A
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US1652806A
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US2000230A
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US1941143A
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US2488592A
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US2545493A
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US2621055A
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US2648546A
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US2684254A
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US2687309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |