US2694279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem disk harrow
Assignee: Ferguson Harry Inc
•
Filing: 1950-04-04
•
Granted: 1954-11-16
•
Expires: 1970-04-04
Abstract
No abstract record available.
Inventors
- 👤 Noral A Nelson
- 👤 Landenberger Ulric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:48
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B21/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1670407A
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US1113241A
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US1260497A
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US1156843A
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US1421047A
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US1710124A
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US1832049A
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US2171768A
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US2320624A
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US2644388A
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US2552307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |