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US2898144A Expired / Lapsed US ⏱️ 0.0 years remaining

Floor supporting means for expansible trailers

Assignee: Individual
•
Filing: 1957-07-22
•
Granted: 1959-08-04
•
Expires: 1977-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Ferrera John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:10
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2732251A Cited
US2147892A Cited
US2634462A Cited
US2606057A Cited
US2704223A Cited
FR1129556A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-03 1963-02-02 1963-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-03 1967-02-02 1967-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-03 1971-02-02 1971-08-04 $7700.00 Window Closed / Lapsed

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