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US3056520A Expired / Lapsed US ⏱️ 0.0 years remaining

Extensible boat trailer

Assignee: Individual
•
Filing: 1958-12-17
•
Granted: 1962-10-02
•
Expires: 1978-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Carl A Rutigliano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:16
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60P3/1058

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR61610E Cited
US2621814A Cited
US2711259A Cited
US2713951A Cited
US2834492A Cited
US2919825A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-01 1966-04-02 1966-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-01 1970-04-02 1970-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-01 1974-04-02 1974-10-02 $7700.00 Window Closed / Lapsed

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