Patent US2591492A successfully refreshed from Google Patents.
US2591492A
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Overtravel control apparatus for hydraulically controlled agricultural implements
Assignee: Sears Roebuck and Co
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Filing: 1948-08-12
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Granted: 1952-04-01
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Expires: 1968-08-12
Abstract
No abstract record available.
Inventors
- 👤 Floyd W Anderson
- 👤 Stanley E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:05
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/22; F; F15; F15B; F15B15/00; F15B15/20; F15B15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132203A
Cited
US1957697A
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US2063414A
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US2220920A
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US2246379A
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US2383689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |