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US3164116A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrofoils

Assignee: AQUA FLITE HYDROFOIL CORP
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Filing: 1960-03-25
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Granted: 1965-01-05
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Expires: 1980-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Lopez Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:39
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/28; B63B1/30; B63B1/285

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 155 words
IN A WATER CRAFT INCLUDING A BOAT HAVING A POWER PLANT THAT DEVELOPS A FORWARD THRUST, HYDROFOILS THAT EXTEND DOWNWARDLY AND INWARDLY WITH RESPECT TO THE BOAT AND TO A LEVEL SUBSTANTIALLY LOWER THAN THE BOAT, THE POSITIONS AND LIFTS OF THE HYDROFOILS BEING CORRELATED WITH THE WEIGHT AND POWER OF THE BOAT SO THAT THE HYDROFOILS EXTEND PART WAY OUT OF THE WATER WHEN THE BOAT IS FOILBORNE AT SUBSTANTIALLY FULL POWER, AND MEANS CONNECTING THE HYDROFOILS TO THE BOAT INCLUDING A STRUT CONNECTED TO EACH HYDROFOIL AND EXTENDING UPWARDLY AND INWARDLY, THE IMPROVEMENT WHICH COMPRISES THE STRUT BEING CONNECTED TO THE HYDROFOIL ABOVE THE PORTION OF THE HYDROFOIL THAT IS SUBMERGED WHEN THE BOAT IS FOILBORNE UNDER SUBSTANTIALLY FULL POWER AND THE LENGTH OF EACH HYDROFOIL BELOW ITS CONNECTION TO THE STRUT BEING A CANTILEVER AND HAVING ITS LOWER END SPACED FROM THE BOAT AND FROM THE LOWER END OF THE OTHER HYDROFOIL.
Claim 2
Dependent Claim 155 words
IN A WATER CRAFT INCLUDING A BOAT HAVING A POWER PLANT THAT DEVELOPS A FORWARD THRUST, HYDROFOILS THAT EXTEND DOWNWARDLY AND INWARDLY WITH RESPECT TO THE BOAT AND TO A LEVEL SUBSTANTIALLY LOWER THAN THE BOAT, THE POSITIONS AND LIFTS OF THE HYDROFOILS BEING CORRELATED WITH THE WEIGHT AND POWER OF THE BOAT SO THAT THE HYDROFOILS EXTEND PART WAY OUT OF THE WATER WHEN THE BOAT IS FOILBORNE AT SUBSTANTIALLY FULL POWER, AND MEANS CONNECTING THE HYDROFOILS TO THE BOAT INCLUDING A STRUT CONNECTED TO EACH HYDROFOIL AND EXTENDING UPWARDLY AND INWARDLY, THE IMPROVEMENT WHICH COMPRISES THE STRUT BEING CONNECTED TO THE HYDROFOIL ABOVE THE PORTION OF THE HYDROFOIL THAT IS SUBMERGED WHEN THE BOAT IS FOILBORNE UNDER SUBSTANTIALLY FULL POWER AND THE LENGTH OF EACH HYDROFOIL BELOW ITS CONNECTION TO THE STRUT BEING A CANTILEVER AND HAVING ITS LOWER END SPACED FROM THE BOAT AND FROM THE LOWER END OF THE OTHER HYDROFOIL.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-01-05 1968-07-06 1969-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-01-05 1972-07-06 1973-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-01-05 1976-07-06 1977-01-05 $7700.00 Window Closed / Lapsed

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