Patent US506424A successfully refreshed from Google Patents.
US2764291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore washing machine
Assignee: Individual
•
Filing: 1952-12-12
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Granted: 1956-09-25
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Expires: 1972-12-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Vigeant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:25
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE224897C
Cited
DE242822C
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DE128615C
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US349442A
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US529307A
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US563805A
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US1312664A
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US801289A
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US1069731A
Cited
GB136850A
Cited
AU1067232A
Cited
US2089548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |