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US637534A
Expired / Lapsed
US
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Combined corn-husker and fodder-shredder.
Assignee: KEYSTONE MANUFACTURING Co
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Filing: 1898-02-24
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Granted: 1899-11-21
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Expires: 1918-02-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Swarthout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
A; A01; A01F; A01F11/00; A01F11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1902-11-21 | 1903-05-23 | 1903-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-11-21 | 1907-05-23 | 1907-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-11-21 | 1911-05-23 | 1911-11-22 | $7700.00 | Window Closed / Lapsed |