Patent US3011685A successfully refreshed from Google Patents.
US3011685A
Expired / Lapsed
US
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System with leakproof plural-way ball valve
Assignee: Milton Roy LLC
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Filing: 1957-11-27
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Granted: 1961-12-05
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Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 John T Barron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:10
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K41/12; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/073; F04B7/00; F04B7/0042; F04B7/0053; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52408; F16K31/52425; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/87265; Y10T137/87322; Y10T137/87917; Y10T137/87981; Y10T137/87997
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376129A
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US1740602A
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US2047319A
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US2120412A
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US2607600A
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US2613864A
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US2881958A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |