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:
Aug. 12, 2014
Filed:
Jul. 03, 2008
Applicants:
Dietmar Erich Bernhard Lilie, Joinville, BR;
Ingwald Vollrath, Joinville-SC, BR;
Inventors:
Dietmar Erich Bernhard Lilie, Joinville, BR;
Ingwald Vollrath, Joinville-SC, BR;
Assignee:
Whirlpool S.A., São Paulo-Sp, BR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 53/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston of the type comprising a tubular skirt portion which is closed, next to an end edge, by a head portion, the skirt portion being defined by a respective tube extension and presenting an end edge region configured to affix a head portion formed in a separate piece and having a peripheral contour internal to an axial projection of the outer contour of the skirt portion.