US3117685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transversely shiftable boom mounting for mechanical shovels
Assignee: Massey Ferguson Inc
•
Filing: 1957-12-06
•
Granted: 1964-01-14
•
Expires: 1977-12-06
Abstract
No abstract record available.
Inventors
- 👤 Charles J Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/386; E02F3/30; E02F3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US486283A
Cited
DE440488C
Cited
US2358543A
Cited
US2558306A
Cited
FR1014229A
Cited
US2836449A
Cited
US2785813A
Cited
US2828880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |