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US2585556A
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Reciprocating valve
Assignee: Ohio Brass Co
•
Filing: 1947-03-19
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Granted: 1952-02-12
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Expires: 1967-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl G A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:49
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; Y; Y10; Y10S; Y10S251/00; Y10S251/90; Y10S285/00; Y10S285/91; Y10S285/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2194254A
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US2064267A
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US2070000A
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US2134277A
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US2332282A
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US2314683A
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US2461041A
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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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |