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:
Feb. 11, 1992
Filed:
Aug. 22, 1988
Applicant:
Inventors:
Douglas C Duffy, West Ryde, AU;
Richard D Temby, Woodville West, AU;
Assignee:
Rheem Autralia Ltd., , AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220658 ; 220309 ; 220310 ; 220610 ; 220614 ;
Abstract
The invention comprises a drum having a top rim formed as an outwardly rolled curl. The curl is rolled through at least 450 degrees with respect to the cylindrical wall of the drum and does not contact any uncurled portion of the body of the drum.