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US3716231A Expired / Lapsed US ⏱️ 0.0 years remaining

User controlled exerciser frame

Assignee: Gravity Guidance Inc
•
Filing: 1971-08-09
•
Granted: 1973-02-13
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Expires: 1991-08-09
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Abstract

Abstract AN EXERCISE DEVICE INCLUDING A PAIR OF UPRIGHT POLES INTERCONNECTED BY TOP AND BOTTOM CROSS MEMBERS. USHAPED MEMBERS ARE PIVOTALLY AND SLIDABLY CONNECTED TO THE POLES TO PROVIDE PARALLEL HANDLES WHEN PIVOTED TO AN INWARDLY EXTENDING POSITION AND PROVIDE SUPPORTS FOR A PIVOTAL BED FRAME WHEN THE U-SHAPED MEMBERS ARE PIVOTED OUTWARDLY. THE BED FRAME IS PIVOTED SUCH THAT THE CENTER OF GRAVITY OF THE EXERCISER WILL BE SHIFTED BACK AND FORTH ACROSS THE PIVOTAL AXIS BY MOVING THE HANDS FROM THE SIDES TOWARDS THE HEAD. A CANVAS MATERIAL SUPPORTS THE BUTTOCKS, BACK AND HEAD WHILE A PAIR OF CROSS ELEMENTS ENGAGE THE ANKLES AND THE FEET. THE CROSS ELEMENTS ARE ADJUSTABLE ALONG THE LENGTH OF THE BODY FRAME AND WITH RESPECT TO EACH OTHER. A PAIR OF U-SHAPED HOOKS MAY BE SECURED TO THE EXERCISER''S ANKLES AND ENGAGE THE TOP CROSS BAR TO SUSPEND THE EXERCISER IN AN INVERTED POSITION OR ENGAGE ONE OF THE CROSS ELEMENTS ON THE BODY FRAME TO HOLD THE EXERCISER SATATIONARY ON THE BODY FRAME AS HE PIVOTS FROM AN UPRIGHT POSITION TO AN INVERTED POSITION.

Inventors

  • 👤 R Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:08
CPC Classifications
A; A63; A63B; A63B17/00; A63B21/00; A63B21/16; A63B21/1681; A63B2208/00; A63B2208/02; A63B2208/0285; A63B23/00; A63B23/035; A63B23/12; A63B23/1209; A63B23/1218; A63B23/1227

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) 1976-02-13 1976-08-14 1977-02-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-02-13 1980-08-14 1981-02-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-02-13 1984-08-14 1985-02-13 $7700.00 Window Closed / Lapsed

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