US2515690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sugar sulfitation apparatus
Assignee: Individual
•
Filing: 1948-11-02
•
Granted: 1950-07-18
•
Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Dominador A Bernaldes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:55
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/08; C13B20/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US98285A
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US483022A
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US1195044A
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US789372A
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US1138202A
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US1152458A
Cited
US1172133A
Cited
US1941461A
Cited
US2321879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |