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US3552797A Expired / Lapsed US ⏱️ 0.0 years remaining

Armchairs for dental treatment

Assignee: FABRICATION ET DE TRANSFORMATI
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Filing: 1968-07-01
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Granted: 1971-01-05
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Expires: 1988-07-01
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Abstract

Abstract AN ARMCHAIR FOR DENTAL TREATMENT WHICH COMPRISES A FRAME WHICH, IN ADDITION TO THE NORMAL ARTICULATION PERMITTING THE FORWARD AND BACKWARD MOVEMENT OF THE BACKREST PORTION, IS PROVIDED WITH MEANS PERMITTING A SECOND ARTICULATION OF THE BRACKREST PORTION AT RIGHT ANGLES TO THE NORMAL ARTICULATION. THUS THE INVENTIVE CHAIR ALLOWS AN INCLINED LATERAL MOVEMENT OF THE UPPER PART OF THE PATIENT''S BODY WITHOUT SUBSTANTIALLY ALTERING THE POSITIONING OF THE REST OF HIS BODY.

Inventors

  • 👤 Olivier Marie Andre D Houdain

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 04:38
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A61; A61G; A61G15/00; A61G15/10; A61G15/12; A61G15/125

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) 1974-01-04 1974-07-06 1975-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-04 1978-07-06 1979-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-04 1982-07-06 1983-01-05 $7700.00 Window Closed / Lapsed

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