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:
Jul. 09, 2013
Filed:
Feb. 26, 2010
Applicants:
Chi Wah Leung, Hong Kong, CN;
Shek Chuen Luk, Hong Kong, CN;
Ka Po Wong, Hong Kong, CN;
Inventors:
Assignee:
Simatelex Manufactory Co., Ltd., Chaiwan, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 31/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tamping device for applying a tamping force to ground coffee in a portafilter. The tamping device has a tamper and a guard. The tamper has a reciprocating tamping base. The guard defines a passageway through which the tamping base reciprocates. The passageway fits closely around the tamping base.