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Patent US2936034A successfully refreshed from Google Patents.
US2936034A
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Tractor having driven hind-wheels
Assignee: C Van der Lely NV
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Filing: 1955-10-11
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Granted: 1960-05-10
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Expires: 1975-10-11
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
- 👤 Lely Ary Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:24
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/02; B60B35/10; B60B35/1036; B60B35/1054; B60B35/1072; B60B35/12; B60B35/14; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1601512A
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US2166368A
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US2231710A
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US2474471A
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US2559758A
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US2497072A
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US2519002A
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US2678106A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |