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US2744418A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling device for twin outboard motors

Assignee: Individual
•
Filing: 1952-08-01
•
Granted: 1956-05-08
•
Expires: 1972-08-01
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace E Weber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:24
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/12; B63H2020/003; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232; Y10T74/21; Y10T74/2142; Y10T74/2144

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US804390A Cited
FR558338A Cited
US1522417A Cited
US1817255A Cited
US1867364A Cited
US1797061A Cited
US1825240A Cited
US1881959A Cited
US1963927A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-08 1959-11-07 1960-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-08 1963-11-07 1964-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-08 1967-11-07 1968-05-08 $7700.00 Window Closed / Lapsed

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