US2528275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled combination harvesting and threshing machine
Assignee: Case LLC
•
Filing: 1946-05-31
•
Granted: 1950-10-31
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Sherman C Heth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:09
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323502A
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US1198445A
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US1914839A
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US1977312A
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US2212465A
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US2170573A
Cited
US2318409A
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US2336002A
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US2310577A
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US2378615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |