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US2940781A Expired / Lapsed US ⏱️ 0.0 years remaining

Wheel assembly

Assignee: Individual
•
Filing: 1957-10-24
•
Granted: 1960-06-14
•
Expires: 1977-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Erik E Erikson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:28
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/26; A63H17/262; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/18; Y10T74/18056; Y10T74/18152

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US242692A Cited
US369310A Cited
FR928956A Cited
US2665521A Cited
DE824916C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-14 1963-12-14 1964-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-14 1967-12-14 1968-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-14 1971-12-14 1972-06-14 $7700.00 Window Closed / Lapsed

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