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:
Apr. 04, 2017
Filed:
Aug. 03, 2016
Applicant:
Carttronics, Llc, San Diego, CA (US);
Inventor:
Thomas K. Khuu, San Diego, CA (US);
Assignee:
Carttronics, LLC., San Diego, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B62B 5/04 (2006.01); B60B 33/00 (2006.01); F16D 65/16 (2006.01); F16D 63/00 (2006.01); F16D 121/24 (2012.01);
U.S. Cl.
CPC ...
B62B 5/0423 (2013.01); B60B 33/0086 (2013.01); B60B 33/0092 (2013.01); B60B 33/0094 (2013.01); F16D 65/16 (2013.01); B62B 2301/00 (2013.01); F16D 63/006 (2013.01); F16D 2121/24 (2013.01);
Abstract
A shopping cart wheel includes a braking apparatus, clutch mechanism and electronics that control the braking apparatus in response to wireless signals. The wireless signals include low frequency electromagnetic signals within a low frequency band and high frequency signals within a high frequency band.