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US3015344A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic control valve

Assignee: Schlepperwerk Nordhausen VEB
•
Filing: 1959-05-25
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Granted: 1962-01-02
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Expires: 1979-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 Hausmann Werner
  • 👤 Vogel Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:10
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654; Y10T137/87048

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US679533A Cited
US916262A Cited
US1099161A Cited
US1947973A Cited
US2165096A Cited
US2221462A Cited
US2407812A Cited
US2439515A Cited
US2541958A Cited
US2649076A Cited
US2863290A Cited
US2777426A Cited
US2912826A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-01 1965-07-03 1966-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-01 1969-07-03 1970-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-01 1973-07-03 1974-01-02 $7700.00 Window Closed / Lapsed

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