US2793732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile loading machine
Assignee: Joy Manufacturing Co
•
Filing: 1951-06-20
•
Granted: 1957-05-28
•
Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 John D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:56
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/12; E21D9/126; E21D9/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855421A
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US1884671A
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US2009147A
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US2360282A
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US2392697A
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US2589827A
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US2481128A
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US2542977A
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US2595398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |