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US3388511A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple shaft tower construction

Assignee: Enviri Corp
•
Filing: 1966-11-29
•
Granted: 1968-06-18
•
Expires: 1986-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frederic A Davidson
  • 👤 Roger D Schalge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 05:56
CPC Classifications
B; B66; B66B; B66B9/00; B66B9/16; B66B9/187; E; E04; E04G; E04G1/00; E04G1/14; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10; E04G5/00; E04G2005/008

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 306 words
A MULTIPLE SHAFT HOISTING TOWER OF SKELETON CONSTRUCTION INCLUDING A VERTICAL ARRAY OF SUPERIMPOSED VERTICALLY INTERCONNECTED SECTIONS, EACH SAID SECTION BEING PERIPHERALLY DEFINED BY STRUCTURAL ELEMENTS INCLUDING AN INTEGRAL PANEL AT EACH SIDE THEREOF, AN INTEGRAL END PANEL RELEASABLY CONNECTED AT ONE END TO ONE OF SAID SIDE PANELS, AND AN INTEGRAL END PANEL CONNECTED AT ONE END TO SAID FIRST NAMED END PANEL AT ITS OPPOSITE END TO ONE OF SAID SIDE PANELS, SAID END PANELS EXTENDING ACROSS AND DEFINING ONE END OF SAID SECTION, AN INTEGRAL INTERSHAFT PANEL CONNECTED AT ONE END TO THE INTERCONNECTED END PORTIONS OF SAID END PANELS AND EXTENDING THEREFROM TOWARD THE OPPOSITE END OF THE SECTION AND IN A PLANE SUBSTANTIALLY PARALLEL TO SAID SIDE PANELS THEREOF, EACH OF SAID SIDE AND INTERSHAFT PANELS INCLUDING A TUBULAR UPRIGHT POST, A HORIZONTAL GIRT SECURED THERETO, A DIAGONAL BRACE OPERATIVELY CONNECTED BETWEEN THE POST AND A FREE END PORTION OF THE GIRT, AND PANEL CONNECTING MEANS AT THE OUTER END OF SAID GIRT ARRANGED WITH ITS VERTICAL AXIS SUBSTANTIALLY PARALLEL WITH THE POST AXIS, AND CONNECTING PINS EACH COMPRISING A SHANK AND A PERIPHERAL LATERALLY EXTENDING BEARING INTERMEDIATE THE ENDS OF SAID SHANK, SAID PANELS OF EACH SECTION BEING INTERCONNECTED WITH LIKE PANELS OF VERTICALLY ADJOINING SECTIONS BY SAID PINS, EACH OF WHICH PINS IS POSITIONED WITH THE END OF ITS SHANK BELOW SAID BEARING EXTENDING INTO THE UPPER END OF A COAXIALLY POSITIONED POST AND WITH SAID BEARING RESTING ON THE TOP EDGE THEREOF, AND WITH THE END OF THE SHANK ABOVE SAID BEARING EXTENDING INTO THE BOTTOM END OF A COAXIALLY POSITIONED POST IN A VERTICALLY ADJOINING UPPER SECTION OF THE ARRAY, WHEREBY SAID SIDE AND INTERSHAFT PANELS ARE RELEASABLY CONNECTED WITH SAID END PANELS TO FORM AN END TWO SIDES AND A PARTITION OF THE MULTIPLE SHAFT TOWER.
Claim 2
Dependent Claim 306 words
A MULTIPLE SHAFT HOISTING TOWER OF SKELETON CONSTRUCTION INCLUDING A VERTICAL ARRAY OF SUPERIMPOSED VERTICALLY INTERCONNECTED SECTIONS, EACH SAID SECTION BEING PERIPHERALLY DEFINED BY STRUCTURAL ELEMENTS INCLUDING AN INTEGRAL PANEL AT EACH SIDE THEREOF, AN INTEGRAL END PANEL RELEASABLY CONNECTED AT ONE END TO ONE OF SAID SIDE PANELS, AND AN INTEGRAL END PANEL CONNECTED AT ONE END TO SAID FIRST NAMED END PANEL AT ITS OPPOSITE END TO ONE OF SAID SIDE PANELS, SAID END PANELS EXTENDING ACROSS AND DEFINING ONE END OF SAID SECTION, AN INTEGRAL INTERSHAFT PANEL CONNECTED AT ONE END TO THE INTERCONNECTED END PORTIONS OF SAID END PANELS AND EXTENDING THEREFROM TOWARD THE OPPOSITE END OF THE SECTION AND IN A PLANE SUBSTANTIALLY PARALLEL TO SAID SIDE PANELS THEREOF, EACH OF SAID SIDE AND INTERSHAFT PANELS INCLUDING A TUBULAR UPRIGHT POST, A HORIZONTAL GIRT SECURED THERETO, A DIAGONAL BRACE OPERATIVELY CONNECTED BETWEEN THE POST AND A FREE END PORTION OF THE GIRT, AND PANEL CONNECTING MEANS AT THE OUTER END OF SAID GIRT ARRANGED WITH ITS VERTICAL AXIS SUBSTANTIALLY PARALLEL WITH THE POST AXIS, AND CONNECTING PINS EACH COMPRISING A SHANK AND A PERIPHERAL LATERALLY EXTENDING BEARING INTERMEDIATE THE ENDS OF SAID SHANK, SAID PANELS OF EACH SECTION BEING INTERCONNECTED WITH LIKE PANELS OF VERTICALLY ADJOINING SECTIONS BY SAID PINS, EACH OF WHICH PINS IS POSITIONED WITH THE END OF ITS SHANK BELOW SAID BEARING EXTENDING INTO THE UPPER END OF A COAXIALLY POSITIONED POST AND WITH SAID BEARING RESTING ON THE TOP EDGE THEREOF, AND WITH THE END OF THE SHANK ABOVE SAID BEARING EXTENDING INTO THE BOTTOM END OF A COAXIALLY POSITIONED POST IN A VERTICALLY ADJOINING UPPER SECTION OF THE ARRAY, WHEREBY SAID SIDE AND INTERSHAFT PANELS ARE RELEASABLY CONNECTED WITH SAID END PANELS TO FORM AN END TWO SIDES AND A PARTITION OF THE MULTIPLE SHAFT TOWER.

References Cited (Backward Citations)

US2857026A Cited
US3156329A Cited
US3302749A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-18 1971-12-18 1972-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-18 1975-12-18 1976-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-18 1979-12-18 1980-06-18 $7700.00 Window Closed / Lapsed

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