US3153247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural flush toilet valve
Assignee: Individual
•
Filing: 1963-01-07
•
Granted: 1964-10-20
•
Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Harry J Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/304; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7329; Y10T137/7332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US455257A
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US2077832A
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US2214439A
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CH221881A
Cited
US2668960A
Cited
US2773268A
Cited
US2825908A
Cited
US3005206A
Cited
US3047881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |