US2635888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable wheel assembly for earth handling and leveling apparatus
Assignee: Individual
•
Filing: 1947-08-18
•
Granted: 1953-04-21
•
Expires: 1967-08-18
Abstract
No abstract record available.
Inventors
- 👤 Bailiff Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:47
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7663; E02F3/7668; B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2174063A
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US2208526A
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US2351830A
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US2522357A
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US2452267A
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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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |