US2945239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve assembly
Assignee: MANSFIELD SANITARY POTTERY Inc
•
Filing: 1958-09-08
•
Granted: 1960-07-19
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Howard A Fulton
- 👤 Henry Ira Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/308; E03D1/304; E03D1/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US549378A
Cited
DE640442C
Cited
US1878613A
Cited
US1890281A
Cited
US2444958A
Cited
US2520574A
Cited
US2693601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |