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US3527250A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve for manual control of hydraulic cylinders

Assignee: VITAS THOMAS 158 LAKEFIELD COURT RACINE WI 53402-3103
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Filing: 1968-05-24
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Granted: 1970-09-08
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Expires: 1988-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Vitas T Thomas
  • 👤 Robert A Lovdahl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 02:23
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; F15B2211/60; F15B2211/63; F15B2211/6303; F15B2211/6346; F15B2211/635; F15B2211/6355; F15B2211/665; F15B2211/6651; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7779; Y10T137/7837; Y10T137/7876; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/85994; Y10T137/87265; Y10T137/87555

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3126795A Cited
US869755A Cited
US911285A Cited
US1577446A Cited
US2342311A Cited
US2518212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-09-07 1974-03-09 1974-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-09-07 1978-03-09 1978-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-09-07 1982-03-09 1982-09-08 $7700.00 Window Closed / Lapsed

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