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US3371479A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrostatic transmission and control therefor

Assignee: Massey Ferguson Services NV
•
Filing: 1966-01-19
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Granted: 1968-03-05
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Expires: 1986-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Yapp
  • 👤 Edward G Metcalfe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:36
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437; F16H61/46; F16H61/472

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3126707A Cited
US2326821A Cited
US2516662A Cited
US2862456A Cited
US2976685A Cited
US3003309A Cited
US3171247A Cited
US3166891A Cited
US3238724A Cited
US3284999A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-05 1971-09-04 1972-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-05 1975-09-04 1976-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-05 1979-09-04 1980-03-05 $7700.00 Window Closed / Lapsed

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