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US2791340A Expired / Lapsed US ⏱️ 0.0 years remaining

Load lifting implement for attachment to tractors

Assignee: MASSEY HARRIS FERGUSON Ltd
•
Filing: 1953-05-11
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Granted: 1957-05-07
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Expires: 1973-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 Haines David Ralph
  • 👤 Bent William Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:46
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US925816A Cited
US1714643A Cited
US2311671A Cited
US2405980A Cited
US2418403A Cited
US2505639A Cited
US2479753A Cited
US2543496A Cited
US2530656A Cited
US2478282A Cited
US2627796A Cited
US2658634A Cited
US2616580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-05-06 1960-11-05 1961-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-05-06 1964-11-05 1965-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-05-06 1968-11-05 1969-05-07 $7700.00 Window Closed / Lapsed

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