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US2937748A
Expired / Lapsed
US
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Haulm removing device for agricultural digging machines
Assignee: Individual
•
Filing: 1956-10-22
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Granted: 1960-05-24
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Stevens Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:59
CPC Classifications
A; A01; A01D; A01D33/00; A01D33/02; Y; Y10; Y10S; Y10S209/00; Y10S209/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801141A
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US1356852A
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US1743240A
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US1876150A
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DE589253C
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FR768658A
Cited
FR1012092A
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US2717077A
Cited
US2769539A
Cited
US2762507A
Cited
US2792937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |