Patent US6356929B1 successfully refreshed from Google Patents.
US3487968A
Expired / Lapsed
US
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Self-leveling hydraulic loader
Assignee: Case LLC
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Filing: 1967-12-04
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Granted: 1970-01-06
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Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Elton B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/43; E02F3/431; E02F3/432; E02F3/433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3402840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |