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US3557559A Expired / Lapsed US ⏱️ 0.0 years remaining

Wave-generating apparatus

Assignee: Individual
•
Filing: 1969-05-12
•
Granted: 1971-01-26
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Expires: 1989-05-12
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Abstract

Abstract APPARATUS FOR GENERATING WAVES IN RELATIVELY SMALL INLAND BODIES OF WATER, SUCH AS LAKES, OR LARGE POOLS, FOR PERMITTING SURFING AND THE LIKE, IS DESCRIBED. THE WAVEGENERATING APPARATUS INCLUDES MEANS FOR DEFINING THE SURFING AREA SUCH AS EITHER ONE OR A PAIR OF VERTICAL WALLS DISPOSED IN THE WATER, WITH ONE OF THE WALLS OR DEFINING MEANS BEING SUBSTANTIALLY STRAIGHT AND THE SECOND WALL HAVING A FIRST PORTION ARRANGED PARALLEL TO A PORTION OF THE FIRST WALL AND A SECOND PORTION ARCUATELY DIVERGING FROM SAID FIRST WALL IN A MANNER TO ENHANCE THE WAVE CHARACTERISTICS, AND EXTENDING TOWARD A BEACH AREA. THE CONFINED AREA IS PROVIDED WITH A SUBSTANTIALLY FLAT OR GRADUALLY INCLINING BOTTOM OR BASE, WHILE THE AREA DEFINED ADJACENT THE DIVERGING WALLS IS PROVIDED WITH AN INCLINED BOTTOM OR BASE, SO AS TO ENHANCE THE WAVE ACTIVITY. A SURGE-GENERATING DEVICE IS LOCATED IN THE AREA WHERE THE FIRST AND SECOND WALLS ARE PARALLEL FOR IMPARTING MOTION TO THE WATER THEREIN, WITH BREAKING WAVES FORMING ALONG THE ARCUATE WALL SURFACE AND PROPAGATING OUTWARDLY TOWARD THE FIRST WALL, WHILE ADVANCING ALONG THE INCLINED BOTTOM AND TOWARD THE BATCHING AREA.

Inventors

  • 👤 Douglas W Barr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:19
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0006

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) 1974-01-25 1974-07-27 1975-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-25 1978-07-27 1979-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-25 1982-07-27 1983-01-26 $7700.00 Window Closed / Lapsed

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