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US3584319A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable swimming pool structure

Assignee: SYLVAN POOLS Inc
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Filing: 1968-05-23
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Granted: 1971-06-15
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Expires: 1988-05-23
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Abstract

Abstract AN ABOVE-GROUND PORTABLE SWIMMING POOL STRUCTURE, WHICH CAN BE READILY ASSEMBLED AND DISASSEMBLED, IS DISCLOSED. THIS STRUCTURE, PREFERABLY OF ALL METAL COINSTRUCTION, FEATURES A SYSTEM OF CONTINUOUS TRUSSING WHICH MAKES THE STRUCTURE RIGID AND RESISTS THE BOWING EFFECT OF HYDRAULIC PRESSURES. ELEMENTS OF THE TRUSS INCLUDE INTERLOCKED VERTICAL SECTIONS, WHICH DEFINE WALLS OF A CAVITY IN WHICH A WATER-IMPERMEABLE LINER IS RECEIVED, INTERLOCKED HORIZONTAL SECTIONS, WHICH CONSTITURE A PERIMETRICAL DECKING ABOUT THE TOP OF THE CAVITY, AND VARIOUS BRACES AND CONNECTING BEAMS. THE TOTAL WEIGHT OF THE STRUCTURE IS CARRIED ON A GROUND BEARING BEAM WHICH ANCHORS THE TRUSS AND GENERALLY DEFINES THE PERIMETER OF THE CAVITY. THE VERTICAL WALL SECTIONS AND HORIZONTAL DECKING SECTIONS ARE PREFERABLY IDENTICAL IN CROSS-SECTION AND THE PARTICULAR CROSS-SECTIONS UTILIZED FOR THESE AND OTHERS OF THE MEMBERS RESULT IN ECONOMIES. A FENCE MAY BE PROVIDED ABOUT THE PERIMETER OF THE DECK. A SPECIAL CLIP WHICH COOPERATES WITH THE PANELS OF DECKING AND WALL SECTIONS IS ALSO DISCLOSED.

Inventors

  • 👤 William A Van Den Broek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:04
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/14; E04H2004/146

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) 1974-06-14 1974-12-14 1975-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-14 1978-12-14 1979-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-14 1982-12-14 1983-06-15 $7700.00 Window Closed / Lapsed

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