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. 11, 1981
Filed:
Dec. 17, 1979
Applicant:
Inventor:
M John Somers, Dayton, OH (US);
Assignee:
Dayco Corporation, Dayton, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; A47L / ;
U.S. Cl.
CPC ...
174 47 ; 15377 ; 29854 ;
Abstract
A vacuum hose assembly, method of making same, and vacuum cleaner using same are provided wherein the hose assembly has a chamber in at least one of a pair of hose connectors thereof wherein such chamber is readily opened and closed and a protective device is disposed within the chamber and electrically connected to the electrical circuit of the vacuum hose assembly and the device is sensitive to practically every type of fault capable of causing injury to humans and operates to interrupt the electrical circuit therethrough upon detection of a fault.