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Patent US3019745A successfully refreshed from Google Patents.
US3019745A
Expired / Lapsed
US
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Sugar spinning machine
Assignee: Individual
•
Filing: 1960-10-03
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Granted: 1962-02-06
•
Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Bois Albert Du
- 👤 Bois Armand Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:42
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/02; A23G3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US792710A
Cited
US844939A
Cited
US847366A
Cited
US1530910A
Cited
US2032970A
Cited
US2246871A
Cited
US2486194A
Cited
US2651573A
Cited
US2774314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |