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:
Jun. 09, 1987
Filed:
May. 30, 1986
Applicant:
Inventors:
William R Sumerau, Easley, SC (US);
Henry C Harbin, Anderson, SC (US);
Assignee:
The Singer Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; A47L / ;
U.S. Cl.
CPC ...
15329 ; 15347 ; 15352 ; 15410 ; 55378 ;
Abstract
An arrangement in a vacuum cleaner preventing dirt collecting bag spill during a vacuuming operation by the combination of a bag retaining interlock with a cleaner handle shiftable between extreme positions each suitable for a different cleaner operating mode, with interlock release provided only in an intermediate, unuseable handle position.