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US3555573A Expired / Lapsed US ⏱️ 0.0 years remaining

Swimming pool cover

Assignee: Individual
•
Filing: 1968-07-12
•
Granted: 1971-01-19
•
Expires: 1988-07-12
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Abstract

Abstract A SWIMMING POOL COVER IS MADE BY POURING A LIQUID MATERIAL SUCH AS A SOLUTION VINYL ONTO THE SURFACE OF THE WATER, AND ALLOWING THE LIQUID MATERIAL TO SPREAD OUT INTO A THIN LAYER OVER THE ENTIRE SURFACE AND HARDEN INTO AN IMPERVIOUS PLIABLE MEMBRANE. A PERIPHERAL EDGE MEMBER IS FORMED TO REINFORCE THE EDGES OF THE COVER, AND TO PREVENT THE LIQUID MEMBRANE MATERIAL FROM BONDING TO THE SIDES OF THE POOL, BY FIRST ATTACHING A STRIP OF VINYL ON OTHER COMPATIBLE MATERIAL TO THE SIDES OF THE SWIMMING POOL AT THE WATER LINE. THE LIQUID MEMBRANE MATERIAL WILL THEN BOND TO THE STRIP RATHER THAN TO THE POOL SIDES. ALTERNATIVELY A ROPE OR TUBE OF VINYL OR OTHER COMPATIBLE MATERIAL MAY BE FLOATED UPON THE SURFACE AND POSITIONED ALONG THE SIDES OF THE POOL TO PROVIDE AN EDGE MEMBER. OPENINGS AT THE WATER LINE SUCH AS RECIRCULATION PORTS AT THE SIDES OF THE SWIMMING POOL MAY BE SPANNED BY SPECIAL MEMBERS BY THE ROPE OR VINYL EDGE MEMBER TO PREVENT THE LIQUID MEMBRANE MATERIAL FROM SPREADING INTO THE OPENINGS. ROPES OR OTHER LINES MAY BE ATTACHED TO THE EDGE MEMBER OR TO A SPECIAL BLOCK WHICH ARE THEREAFTER BONDED TO THE MEMBRANE MATERIAL TO SECURE THE POOL COVER TO THE POOL SIDES. VENTS OR OTHER OPENINGS MAY BE PROVIDED BY FLOATING ANNULAR RINGS ON THE WATER PRIOR TO THE POURING AND SPREADING OF THE LIQUID MEMBRANE MATERIAL OVER THE SURFACE. POOL COVERS OF VARIOUS THICKNESSES MAY BE MADE BY USING VARIOUS AMOUNTS OF LIQUID MEMBRANE MATERIAL.

Inventors

  • 👤 Lloyd S Turner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:27
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/06; E04H4/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49947; Y10T29/49948; Y10T29/4995; Y10T29/49952

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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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