Patent US2859684A successfully refreshed from Google Patents.
US2859684A
Expired / Lapsed
US
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Coffee filtering retainers
Assignee: Individual
•
Filing: 1951-02-19
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Granted: 1958-11-11
•
Expires: 1971-02-19
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Polizzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:50
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1767915A
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US2243895A
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US2460735A
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US2623450A
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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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |