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US4350152A Expired / Lapsed US ⏱️ 0.0 years remaining

Back massage board

Assignee: Individual
•
Filing: 1980-07-28
•
Granted: 1982-09-21
•
Expires: 2000-07-28
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Abstract

Abstract A massage board having a planar under surface to be supported on a floor or other flat surface and a convex upper surface, the board being of sufficient width and length to support the upper torso of a human adult while lying supine on the flat surface. While so supported on his back, the person may roll and twist over the convex surface to press against and massage sore muscles.

Inventors

  • 👤 Joseph Strakowski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:10
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/008; A61H2203/00; A61H2203/04; A61H2203/0443; A61H2203/0456; A61H2205/00; A61H2205/08; A61H2205/081

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 121 words
A massage board having: a planar under surface to be supported on a flat surface; and a convex smoothly curved upper surface of sufficient length and width to support the upper torso of human adult, said surface being generated by movement of a straight line along an arcuate path approaching said under surface at both ends so that said upper surface merges smoothly into said flat surface to enable one to be supported on said flat surface and roll back and forth over said upper surface without discomfort; said board being between 18 inches and 30 inches in length and curving upward from less than 1/2 inch in thickness at its ends to about 2 inches in thickness at its mid-point.
Claim 2
Dependent Claim 121 words
A massage board having: a planar under surface to be supported on a flat surface; and a convex smoothly curved upper surface of sufficient length and width to support the upper torso of human adult, said surface being generated by movement of a straight line along an arcuate path approaching said under surface at both ends so that said upper surface merges smoothly into said flat surface to enable one to be supported on said flat surface and roll back and forth over said upper surface without discomfort; said board being between 18 inches and 30 inches in length and curving upward from less than 1/2 inch in thickness at its ends to about 2 inches in thickness at its mid-point.
Claim 3
Dependent Claim 16 words
The massage board defined by claim 1 wherein: said board is about 5 inches in width.

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) 1985-09-20 1986-03-22 1986-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-09-20 1990-03-22 1990-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-09-20 1994-03-22 1994-09-21 $7700.00 Window Closed / Lapsed

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