US2067362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of sugar juices
Assignee: Shell Development Co
•
Filing: 1934-05-16
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Granted: 1937-01-12
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Expires: 1954-05-16
Abstract
No abstract record available.
Inventors
- 👤 Stietz George E G Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:26
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/02; C13B20/04; C13B20/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-01-12 | 1940-07-13 | 1941-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-12 | 1944-07-13 | 1945-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-12 | 1948-07-13 | 1949-01-12 | $7700.00 | Window Closed / Lapsed |