Patent US3387308A successfully refreshed from Google Patents.
US3387308A
Expired / Lapsed
US
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Float means for flush tanks
Assignee: OTTAVIO A CAPRA
•
Filing: 1965-10-14
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Granted: 1968-06-11
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ottavio A Capra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:00
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/33; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US638740A
Cited
US1237276A
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US2655665A
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US2642081A
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US2794191A
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US3100100A
Cited
US3115860A
Cited
US3198157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |