US2454510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a coffee concentrate
Assignee: Individual
•
Filing: 1944-10-14
•
Granted: 1948-11-23
•
Expires: 1964-10-14
Abstract
No abstract record available.
Inventors
- 👤 Wilbert A Heyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:40
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/26; A23F5/267; A23F5/10; A23F5/14
Claims Analysis
Total Claims: 0
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US2306061A
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US2340235A
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US2379427A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |