US2483104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter for coffee makers
Assignee: Silex Co
•
Filing: 1945-03-28
•
Granted: 1949-09-27
•
Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Reichold Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:03
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1006886A
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US1157778A
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US1634705A
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US1731698A
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US1967983A
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GB401322A
Cited
US2234678A
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US2286254A
Cited
US2370674A
Cited
US2388335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |