Patent US2686597A successfully refreshed from Google Patents.
US2686597A
Expired / Lapsed
US
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Liquid straining closure for containers
Assignee: Club Aluminum Products Co
•
Filing: 1951-05-03
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Granted: 1954-08-17
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Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Lilja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:59
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US178348A
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US450932A
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US845257A
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US992268A
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US1788760A
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US1976620A
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US2072324A
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US2392656A
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US2378355A
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US2461736A
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US2554748A
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US2568181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |