US2758314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center guide for flush valve ball
Assignee: Individual
•
Filing: 1952-08-08
•
Granted: 1956-08-14
•
Expires: 1972-08-08
Abstract
No abstract record available.
Inventors
- 👤 Ted N Granger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:35
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297455A
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US944098A
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US948876A
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US1816301A
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US1895786A
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US2011782A
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US2121362A
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US2175973A
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US2206235A
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US2556658A
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US2561877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |