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US3280786A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroscooter

Assignee: Individual
•
Filing: 1964-08-25
•
Granted: 1966-10-25
•
Expires: 1984-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Robert F Rowell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:14
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 275 words
IN A HYDROSCOOTER: (A) FRONT AND REAR FLOATATION TANKS ARRANGED ONE AHEAD OF THE OTHER, AND BEING POSITIONED TO FLOAT ON A BODY OF WATER WHEN THE HYDROSCOOTER IS NOT UNDER POWER; (B) FRONT AND REAR PONTOONS SECURED TO AND BEING DISPOSED UNDER THE FRONT AND REAR FLOATATION TANKS, RESPECTIVELY, AND BEING POSITIONED TO PLANE ON THE BODY OF WATER WHEN THE HYDROSCOOTER IS UNDER SUFFICIENT POWER AND THE FLOATATION TANKS ARE ELEVATED ABOVE THE BODY OF WATER; (C) MEANS INTERCONNECTING THE FRONT AND REAR FLOATATION TANKS, WITH THE FRONT PONTOON BEING TURNABLE IN EITHER LATERAL DIRECTION SO AS TO STEER THE HYDROSCOOTER AND SAID INTERCONNECTING MEANS BEING CONFINED ABOVE THE BODY OF WATER, WHEREBY THIS MEANS WILL NOT CAUSE RESISTANCE TO MOVEMENT OF THE PONTOONS THROUGH THE WATER; (D) MEANS DISPOSED IN THE REAR PONTOON AND REAR FLOATING TANK OPERABLE TO PROPEL THE HYDROSCOOTER; (E) THE STARBOARD AND PORT SIDES OF BOTH THE FRONT AND REAR PONTOONS CONVERGING DOWNWARDLY RELATIVE TO ONE ANOTHER TO THUS FACILITATE ELEVATING OF THE HYDROSCOOTER INTO A POSITION TO PLANE ON THE PONTOONS, WITH THE FRONT AND REAR FLOATATION TANKS CLEARING THE WATER, WHEN THE HYDROSCOOTER IS UNDER SUFFICIENT POWER, WHEREBY THE PONTOONS WILL FEATHER THROUGH THE WATER (F) THE TRANSVERSE WIDTHS OF THE PONTOONS BEING LESS THAN THAT OF THE FLOATION TANKS, WITH THE LATTER PROJECTING LATERALLY BEYOND THE FORMER, WHEREBY THERE WILL BE LESS RESISTANCE TO FORWARD MOVEMENT OF THE HYDROSCOOTER WHEN THE HYDROSCOOTER HAS BEEN RAISED TO A POSITION TO PLANE ON THE PONTOONS AS COMPARED WITH THE RESISTANCE TO FORWARD MOVEMENT OF THE HYDROSCOOTER WHEN THE FLOATATION TANKS ARE FLOATING IN THE BODY OF WATER.

References Cited (Backward Citations)

DE310317C Cited
US1517422A Cited
US2286350A Cited
US2817101A Cited
US2824539A Cited
FR1138513A Cited
US2901757A Cited
GB927304A Cited
US3174454A Cited
US3158129A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

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