Patent US2592689A successfully refreshed from Google Patents.
US2592689A
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Electrically controlled plant chopping machine
Assignee: Individual
•
Filing: 1948-07-16
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Granted: 1952-04-15
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Expires: 1968-07-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Hann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:02
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303798A
Cited
US886179A
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US1270453A
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US1519198A
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US1736127A
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US2177803A
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US2400562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |