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.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Jan. 21, 2020
Applicant:
Richard A. Brandt, New York, NY (US);
Inventor:
Richard A. Brandt, New York, NY (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A63B 47/00 (2006.01); G01N 3/42 (2006.01); G01N 33/00 (2006.01); A63B 102/02 (2015.01); G01B 5/00 (2006.01);
U.S. Cl.
CPC ...
A63B 47/008 (2013.01); G01N 3/42 (2013.01); A63B 2102/02 (2015.10); G01B 5/0023 (2013.01); G01N 2033/008 (2013.01);
Abstract
A portable device for determining whether a tennis ball is compliant with a stated deformation standard compresses a tennis ball by application of a pre-determined pre-load followed by a pre-determined force. A scale is provided for measuring the deformation of the tennis ball after it is compressed. The device includes several plate members disposed in parallel and relatively movable a controllable amount by a shifting mechanism.