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US2834171A
Expired / Lapsed
US
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Tractor mounted corn harvester
Assignee: Case LLC
•
Filing: 1953-10-08
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Granted: 1958-05-13
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Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Homer B Aber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:02
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21542E
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USRE22279E
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USRE22991E
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USRE23083E
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US2264565A
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US2259893A
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US2320135A
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US2508345A
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US2524083A
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US2554198A
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US2662459A
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US2700262A
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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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |