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US2490501A
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US
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Coffee-making apparatus
Assignee: Individual
•
Filing: 1945-02-21
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Granted: 1949-12-06
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Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard C Ashenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR649553A
Cited
US855702A
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US1268858A
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US1385593A
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FR593547A
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GB289689A
Cited
US2014325A
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US1980931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |