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US2585556A Expired / Lapsed US ⏱️ 0.0 years remaining

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
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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)

US1716896A Cited
US1886340A Cited
US2194254A Cited
US2064267A Cited
US2070000A Cited
US2134277A Cited
US2332282A Cited
US2314683A Cited
US2337841A Cited
US2461041A Cited

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

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