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US2569802A Expired / Lapsed US ⏱️ 0.0 years remaining

Inboard power unit for shallow draft boats

Assignee: Individual
•
Filing: 1949-02-21
•
Granted: 1951-10-02
•
Expires: 1969-02-21
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Abstract

No abstract record available.

Inventors

  • 👤 James W Daniels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 11:26
CPC Classifications
B; B63; B63H; B63H5/00; B63H5/07; B63H5/125; B63H5/1252

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US130110A Cited
US149969A Cited
US695717A Cited
GB181959A Cited
US1490046A Cited
DE410400C Cited
US1850770A Cited
US2096223A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-10-01 1955-04-02 1955-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-10-01 1959-04-02 1959-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-10-01 1963-04-02 1963-10-02 $7700.00 Window Closed / Lapsed

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