03932912 is referenced by 23 patents and cites 4 patents.

A vacuum cleaner having a selectively positionable stop for retaining the handle structure in an intermediate position between an upright storage position and a lowered, operating position. The positionable stop may be carried on a pivoted casing associated with the handle structure and a cooperating shoulder element may be movably carried on the floor cleaning unit for engaging the intermediate stop. The shoulder element may be movably carried on the cleaning unit so as to pass the intermediate stop when desired.

Title
Vacuum cleaner
Application Number
5/442799
Publication Number
3932912
Application Date
February 15, 1974
Publication Date
January 20, 1976
Inventor
Robert E Johnson
St. Paul
MN, US
Agent
Hofgren Wegner Allen Stellman & McCord
Assignee
Whirlpool Corporation
MI, US
IPC
A47L 9/32
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