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US3566423A Expired / Lapsed US ⏱️ 0.0 years remaining

Contoured cushion

Assignee: Bostrom Seating Inc
•
Filing: 1968-09-05
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Granted: 1971-03-02
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Expires: 1988-09-05
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Abstract

Abstract IN A CONTOURED CUSHION HAVING A PAD AND A SEPARATE SKIN, THE IMPROVEMENT, COMPRISING STRIPS OF MATERIAL SEWN TO THE UNDERSIDE OF SAID SKIN AND FASTENED BETWEEN A CENTRAL PORTION AND EDGE PORTIONS OF SAID PAD, WHEREBY THE SKIN IS PULLED TAUT OVER THE CENTRAL PORTION OF SAID PAD AND IS CONTOURED TO THE INTERSECTION OF THE OUTER SURFACE OF THE CENTRAL PORTION OF THE PAD WITH THE OUTER SURFACES OF THE EDGE PORTIONS OF THE PAD.

Inventors

  • 👤 Edward J Reinfeldt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:08
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; Y; Y10; Y10S; Y10S297/00; Y10S297/02; Y10T; Y10T428/00; Y10T428/23; Y10T428/239

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) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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