US3042235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front-loading power shovel
Assignee: Individual
•
Filing: 1960-09-28
•
Granted: 1962-07-03
•
Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Merlin F Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3408; E02F3/36; E02F3/40; E02F3/402; E02F3/404; E02F3/413; E02F3/4133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2997193A
Cited
US2412323A
Cited
US2537010A
Cited
US2795872A
Cited
US2870925A
Cited
US2958434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |