Patent US2657949A successfully refreshed from Google Patents.
US2657949A
Expired / Lapsed
US
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Towed sprayer
Assignee: Deere and Co
•
Filing: 1949-08-15
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Granted: 1953-11-03
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Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Charles S Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:16
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0071; A01M7/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL49631C
Cited
US738271A
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US912966A
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FR17308E
Cited
US1470246A
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US1633294A
Cited
US1634701A
Cited
US1943655A
Cited
US2370355A
Cited
US2575521A
Cited
US2548209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |