US2927706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically-operated dipper
Assignee: Caterpillar Global Mining LLC
•
Filing: 1956-07-20
•
Granted: 1960-03-08
•
Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 George W Mork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/303; E02F3/36; E02F3/42; E02F3/425
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1185427A
Cited
US1088031A
Cited
US2486479A
Cited
US2678741A
Cited
US2770379A
Cited
US2765939A
Cited
US2725996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |