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Patent US2164186A successfully refreshed from Google Patents.
US2164186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sugar
Assignee: Great Western Sugar Co
•
Filing: 1937-05-03
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Granted: 1939-06-27
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Expires: 1957-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert J Brown
- 👤 Alpheus R Nees
- 👤 Claude T Carney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:23
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) | 1942-06-26 | 1942-12-26 | 1943-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-26 | 1946-12-26 | 1947-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-26 | 1950-12-26 | 1951-06-27 | $7700.00 | Window Closed / Lapsed |