Patent US3405823A successfully refreshed from Google Patents.
US3405823A
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Hydraulic locking means for shiftable backhoe
Assignee: Massey Ferguson Services NV
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Filing: 1966-01-11
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Granted: 1968-10-15
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Expires: 1986-01-11
Abstract
No abstract record available.
Inventors
- 👤 Williams Derrick Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:14
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/388; E02F3/30; E02F3/32; E02F3/382; E02F3/386; E02F9/00; E02F9/20; E02F9/2004; F; F15; F15B; F15B13/00; F15B13/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |