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US2743027A Expired / Lapsed US ⏱️ 0.0 years remaining

Load elevating and transporting attachment for tractors

Assignee: Individual
•
Filing: 1951-03-12
•
Granted: 1956-04-24
•
Expires: 1971-03-12
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Abstract

No abstract record available.

Inventors

  • 👤 Robertson Jackson Perry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:23
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/065

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1677618A Cited
US2337801A Cited
US2398365A Cited
US2397046A Cited
US2446584A Cited
US2505639A Cited
US2531768A Cited
US2554900A Cited
US2524048A Cited
US2566547A Cited
US2510179A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-04-24 1959-10-24 1960-04-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-04-24 1963-10-24 1964-04-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-04-24 1967-10-24 1968-04-24 $7700.00 Window Closed / Lapsed

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