Patent US2931060A successfully refreshed from Google Patents.
US2931060A
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Ladle sculling machine
Assignee: SALVATORE COMPAGNONE
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Filing: 1957-01-30
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Granted: 1960-04-05
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Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 William E Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:21
CPC Classifications
F; F27; F27D; F27D25/00; F27D25/001; B; B08; B08B; B08B1/00; B08B1/30; B08B1/32; B08B9/00; B08B9/08; B08B9/087; B22; B22D; B22D41/00; B22D41/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916261A
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US1109533A
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DE322083C
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US1827085A
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US2410959A
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US2580110A
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US2810550A
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US2743906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |