Patent US3457947A successfully refreshed from Google Patents.
US3457947A
Expired / Lapsed
US
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Snap action fill valves for toilets
Assignee: FI Jax Co
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Filing: 1965-10-19
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Granted: 1969-07-29
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Harold M Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:20
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7381; Y10T137/7387; Y10T137/7407; Y10T137/7439; Y10T137/7442; Y10T137/7465; Y10T137/7472; Y10T137/7494; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |