Industrial vacuum cleaner
Latest National Union Electric Corporation Patents:
FIG. 1 is a perspective view of an industrial vacuum cleaner embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top plan view of a second embodiment thereof;
FIG. 8 is a front elevational view thereof;
FIG. 9 is a side elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a bottom plan view thereof;
FIG. 12 is a perspective view of a third embodiment thereof;
FIG. 13 is a top plan view thereof;
FIG. 14 is a front elevational view thereof;
FIG. 15 is a side elevational view thereof;
FIG. 16 is a rear elevational view thereof;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is a top plan view of a fourth embodiment thereof;
FIG. 19 is a front elevational view thereof;
FIG. 20 is a side elevational view thereof;
FIG. 21 is a rear elevational view thereof;
FIG. 22 is a bottom plan view thereof;
FIG. 23 is a top plan view of a fifth embodiment thereof;
FIG. 24 is a front elevational view thereof;
FIG. 25 is a side elevational view thereof;
FIG. 26 is a rear elevational view thereof;
FIG. 27 is a bottom plan view thereof.
D187065 | January 1960 | Chapman |
D208398 | August 1967 | Otto et al. |
D212777 | November 1968 | Anderson |
D239155 | March 1976 | Kent et al. |
3180071 | April 1965 | Nolte |
Type: Grant
Filed: May 5, 1976
Date of Patent: Jun 10, 1980
Assignee: National Union Electric Corporation (Greenwich, CT)
Inventors: Joseph F. Brooks (Bloomington, IL), Vernon E. Flanders (Bloomington, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Alfred E. Miller
Application Number: 5/683,686
International Classification: D1505;