The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 24, 2025

Filed:

Oct. 23, 2018
Applicant:

Demao Yang, Mountain View, CA (US);

Inventor:

Demao Yang, Mountain View, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A47C 7/42 (2006.01);
U.S. Cl.
CPC ...
A47C 7/425 (2013.01);
Abstract

A back plate system for recovery of lumbar vertebrae of a human body the system. The system has a plurality of rigid surfaces shaped to place the user's back into a correct posture. A series of the rigid surfaces may be used to gradually bring the user's spine into a correct posture. A first rigid unitary surface has a first concave curve and a first convex curve which reverse direction in a continuous manner. A second rigid unitary surface comprises a second concave curve and a second convex curve which reverse direction in a continuous manner. The height of the second convex curve is greater than the height of the first convex curve. When the series of back plates is used, a user lays on the first rigid unitary surface for a first period of time with the first convex curve under a lumbar region. Then the user lays on the second rigid unitary surface for a second period of time with the second convex curve under the lumbar region.


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