Patent US2777515A successfully refreshed from Google Patents.
US2777515A
Expired / Lapsed
US
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Automatically controlled, multi-way, rotary plate valve
Assignee: Individual
•
Filing: 1953-09-24
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Granted: 1957-01-15
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Expires: 1973-09-24
Abstract
No abstract record available.
Inventors
- 👤 Albert Y Stirling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:30
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; F16K11/0743; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86493; Y10T137/86718; Y10T137/86726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290626A
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US1865604A
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US1868801A
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US1676891A
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US1820252A
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US2003739A
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US2006287A
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US2047131A
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US2235287A
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US2318969A
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US2545425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |