Vacuum cleaner dust bag

- Aktiebolaget Electrolux
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Description

FIG. 1 is a perspective view of a vacuum cleaner dust bag showing my new design;

FIG. 2 is a front elevation view thereof, and

FIG. 3 is a side elevation view thereof.

The rear side of the dust bag is substantially planar and unornamented.

The characteristic feature of my design resides in the specific appearance of the reinforcing collar, as best shown in FIGS. 1 and 2.

Referenced Cited
U.S. Patent Documents
2864462 December 1958 Brace
3333523 August 1967 Terzuoli
3616622 November 1971 Friedman
3724179 April 1973 Leinfelt
3933451 January 20, 1976 Johansson
4044421 August 30, 1977 Kristenson et al.
Patent History
Patent number: D251668
Type: Grant
Filed: Jan 10, 1977
Date of Patent: Apr 24, 1979
Assignee: Aktiebolaget Electrolux (Stockholm)
Inventor: Gustaf A. Asberg (Stockholm)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Alfred E. Miller
Application Number: 5/757,943
Classifications
Current U.S. Class: D15/61
International Classification: D1599;