Title:
Nozzle adjustment for suction cleaners
United States Patent 2741488


Inventors:
Ripple, Melvin H.
Application Number:
US31362952A
Publication Date:
04/10/1956
Filing Date:
10/08/1952
Assignee:
HOOVER CO
Primary Class:
Other Classes:
15/339, 15/354
International Classes:
A47L5/34
View Patent Images:
US Patent References:
2515671Wheel adjustment for carpet sweepers1950-07-18
2099172Suction sweeper1937-11-16
2079293Suction sweeper1937-05-04
2067990Pawl and ratchet device1937-01-19
1850710Suction cleaner1932-03-22
1448397Suction cleaner1923-03-13
Foreign References:
GB532691A1941-01-29