Patent US2230031A successfully refreshed from Google Patents.
US2230031A
Expired / Lapsed
US
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Method of preparing coffee and product thereof
Assignee: WILLIAM S SCULL Co
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Filing: 1937-07-19
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Granted: 1941-01-28
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Expires: 1957-07-19
Abstract
No abstract record available.
Inventors
- 👤 George A Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:21
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/243; A23F5/26; A23F5/262; A23F5/267
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) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |