US2678140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power shovel
Assignee: Individual
•
Filing: 1948-12-24
•
Granted: 1954-05-11
•
Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 William J Goetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670210A
Cited
US1020504A
Cited
US1126203A
Cited
US1185427A
Cited
US1479849A
Cited
FR696060A
Cited
US2109388A
Cited
US2107895A
Cited
US2489898A
Cited
US2443537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |