Patent US2808850A successfully refreshed from Google Patents.
US2808850A
Expired / Lapsed
US
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Ball cock valve
Assignee: Individual
•
Filing: 1955-09-30
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Granted: 1957-10-08
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Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Orville K Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:11
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7423; Y10T137/7426; Y10T137/7433; Y10T137/7439; Y10T137/7462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US925538A
Cited
US1270901A
Cited
US1338179A
Cited
US1729484A
Cited
US2143204A
Cited
US2189427A
Cited
US2444958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |