US3371353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door controlled automatic flushing system
Assignee: Sloan Valve Co
•
Filing: 1965-10-13
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Granted: 1968-03-05
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Jacques J Filliung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:15
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327133A
Cited
US1875983A
Cited
FR37221E
Cited
FR773891A
Cited
FR823654A
Cited
US2688141A
Cited
US2786210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |