Patent US2668962A successfully refreshed from Google Patents.
US2668962A
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US
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Combination strainer and stopper
Assignee: Individual
•
Filing: 1951-11-16
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Granted: 1954-02-16
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Expires: 1971-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles J Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:32
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772434A
Cited
US1760659A
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US1937609A
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US1950817A
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US2225693A
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US2337331A
Cited
US2569615A
Cited
US2617997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |