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US2832235A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic valve control for intermittent driving mechanism

Assignee: OI Glass Inc
•
Filing: 1954-10-14
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Granted: 1958-04-29
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Expires: 1974-10-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert R Denman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:31
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/061; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/15; Y10T74/1503; Y10T74/1524; Y10T74/1526; Y10T74/1532

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1942927A Cited
US2174569A Cited
US2672773A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-04-28 1961-10-28 1962-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-04-28 1965-10-28 1966-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-04-28 1969-10-28 1970-04-29 $7700.00 Window Closed / Lapsed

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