Patent US2605079A successfully refreshed from Google Patents.
US2605079A
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Piston valve
Assignee: ELLIOTT BAY MILL Co
•
Filing: 1946-06-19
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Granted: 1952-07-29
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Expires: 1966-06-19
Abstract
No abstract record available.
Inventors
- 👤 William J Miller
- 👤 Alfred C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0402; F16; F16K; F16K31/00; F16K31/12; F16K31/42; F16K31/423; F16K31/426; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614; Y10T137/86622; Y10T137/8663; Y10T137/8667; Y10T137/86839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US622165A
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US1716010A
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US696847A
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US1293178A
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US1484533A
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US2157240A
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US2145977A
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US2357986A
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US2339353A
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US2409517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |