Patent US2590147A successfully refreshed from Google Patents.
US2590147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve arrangement and installation
Assignee: Sloan Valve Co
•
Filing: 1946-06-03
•
Granted: 1952-03-25
•
Expires: 1966-06-03
Abstract
No abstract record available.
Inventors
- 👤 John I Bellamy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:40
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/10; Y; Y10; Y10S; Y10S4/00; Y10S4/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1682166A
Cited
US1532905A
Cited
US1665060A
Cited
US1978737A
Cited
US1861501A
Cited
US1985314A
Cited
US2185394A
Cited
US2373697A
Cited
US2395150A
Cited
US2388990A
Cited
US2412452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |