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US3376984A Expired / Lapsed US ⏱️ 0.0 years remaining

Backhoe

Assignee: Case LLC
•
Filing: 1966-11-16
•
Granted: 1968-04-09
•
Expires: 1986-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Elton B Long
  • 👤 John F Shumaker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:36
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/384

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2897986A Cited
US3047170A Cited
US3244301A Cited
US3282452A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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