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US3614937A Expired / Lapsed US ⏱️ 0.0 years remaining

Pontoon structure

Assignee: Individual
•
Filing: 1969-04-09
•
Granted: 1971-10-26
•
Expires: 1989-04-09
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Abstract

Abstract A PLURALITY OF MODULAR PONTOON FLOAT SECTIONS OF UNIFORM CROSS SECTIONAL DIMENSION ARE SUPPORTED IN LONGITUDINAL ALIGNMENT WITH EACH OTHER ALONG TWO PARALLEL SIDES OF A PONTOON BOAT DECK THROUGH THE INSTRUMENTALITY OF A PAIR OF LONGITUDINALLY EXTENDING PARALLEL FLANGES EXTENDING UPWARDLY FROM EACH OF THE FLOAT SECTIONS TO SNUGLY RECEIVE ONE OF A PAIR OF PARALLEL DOWNWARDLY EXTENDING DECK FLOOR JOISTS. TRANSVERSE ALIGNED OPENINGS ARE PROVIDED IN THE FLANGES AND IN THE JOISTS TO RECEIVE BOLTS FOR RELEASABLY FASTENING THE PONTOONS TO THE DECK. PONTOON SECTIONS AT A FRONT END OF EACH ALIGNED SET CAN HAVE A SLOPING SHAPE TO FACILITATE MOVEMENT OF THE BOAT THROUGH THE WATER. THE OPENINGS IN THE PONTOON FLANGES OR IN THE DECK JOISTS CAN BE SLOTS WHICH WILL PERMIT REMOVAL OF THE PONTOONS FROM THE JOISTS AFTER THE BOLTS ARE LOOSENED BUT WITHOUT THE NECESSITY OF COMPLETELY REMOVING THE BOLTS. SUCH A PONTOON STRUCTURE CAN BE SEMIPERMANENTLY MOORED TO A PIER OR THE SHORE TO FORM PART OR ALL OF A DOCK, WHARF OR BRIDGE. IT CAN BE LENGTHENED BY ADDING ADDITIONAL FLOAT SECTIONS TO A LONGER DECK OR FLOOR.

Inventors

  • 👤 David A Schulman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:59
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/10; B63B1/12; B63B1/121; B63B3/00; B63B3/02; B63B3/08; B63B2003/085

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-25 1975-04-26 1975-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-25 1979-04-26 1979-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-25 1983-04-26 1983-10-26 $7700.00 Window Closed / Lapsed

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