US3479908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined variable-speed and planetary drive
Assignee: Deere and Co
•
Filing: 1968-08-14
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Granted: 1969-11-25
•
Expires: 1988-08-14
Abstract
No abstract record available.
Inventors
- 👤 James Henry Kress
- 👤 David Forrest Lemons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:43
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/0846; F16H2037/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702627A
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US2330397A
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US2865230A
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US3091132A
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DE1185883B
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US3122025A
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US3251243A
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US3270588A
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US3340749A
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US3375733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |