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US2465476A Expired / Lapsed US ⏱️ 0.0 years remaining

Tractor loading attachment

Assignee: Individual
•
Filing: 1946-09-06
•
Granted: 1949-03-29
•
Expires: 1966-09-06
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Abstract

No abstract record available.

Inventors

  • 👤 Stephen S Pokorny
  • 👤 Herman E Luebbers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 18:50
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/0053; A01D87/0069

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2371273A Cited
US947964A Cited
US2336390A Cited
US2395622A Cited
US2387656A Cited
US2377112A Cited
US2415892A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-03-28 1952-09-27 1953-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-03-28 1956-09-27 1957-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-03-28 1960-09-27 1961-03-29 $7700.00 Window Closed / Lapsed

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