US2795342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shovel loading mechanism for shuttle cars
Assignee: Joy Manufacturing Co
•
Filing: 1952-09-18
•
Granted: 1957-06-11
•
Expires: 1972-09-18
Abstract
No abstract record available.
Inventors
- 👤 Julia M Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:43
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/348; E02F3/3486; E02F3/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603374A
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US1371344A
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US1561694A
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US1590662A
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US2427968A
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US2455474A
Cited
US2449212A
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US2560674A
Cited
US2674500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |