US2582853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inlet float valve for flush tanks
Assignee: MANSFIELD SANITARY POTTERY Inc
•
Filing: 1944-08-17
•
Granted: 1952-01-15
•
Expires: 1964-08-17
Abstract
No abstract record available.
Inventors
- 👤 Smith Harry Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7358; Y10T137/7381; Y10T137/7439; Y10T137/7446
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US509401A
Cited
DE503302C
Cited
GB189812710A
Cited
US788485A
Cited
US1187773A
Cited
US1692289A
Cited
US1710877A
Cited
US1690057A
Cited
US1983213A
Cited
US2208181A
Cited
US2157881A
Cited
US2289905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |