US2791235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball cock valve
Assignee: MANSFIELD SANITARY POTTERY Inc
•
Filing: 1955-09-08
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Granted: 1957-05-07
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Expires: 1975-09-08
Abstract
No abstract record available.
Inventors
- 👤 Harry F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:26
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/32; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/104; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7446; Y10T137/7449; Y10T137/7465; Y10T137/7472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2707969A
Cited
US2706998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |