US2568865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable elevator
Assignee: Deere and Co
•
Filing: 1946-04-05
•
Granted: 1951-09-25
•
Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Neighbour
- 👤 Howard C Esbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR767494A
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US811189A
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US635809A
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US1095077A
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US1150091A
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US1244024A
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US1346678A
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US1613923A
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US1893917A
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US2091505A
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US2136560A
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US2078379A
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FR840738A
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US2388921A
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US2354990A
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US2415013A
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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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |