Patent US2948212A successfully refreshed from Google Patents.
US2948212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable strainer cups for coffee percolators
Assignee: Individual
•
Filing: 1958-12-31
•
Granted: 1960-08-09
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Sisselman Irving
- 👤 Gallin Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:39
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/44; A47J31/4403; A47J31/446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1704879A
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US1895857A
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US1947523A
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FR757358A
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US2011102A
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US2546874A
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US2623450A
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US2859684A
Cited
US2822273A
Cited
US2778739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |