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Publication numberUSD219835 S
Publication typeGrant
Publication dateFeb 2, 1971
Filing dateNov 24, 1969
Publication numberUS D219835 S, US D219835S, US-S-D219835, USD219835 S, USD219835S
InventorsAutomotive News
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Back pack vacuum cleaner
US D219835 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Oflfice 123E311? BACK PACK VACUUM CLEANER Louis L. Otto, North Muskegon, and Cecil B. Land, Muskegon, Mich., assignors to Clarke Floor Machine Division, Studebaker Corporation, Muskegon, Mich.

Filed Nov. 24, 1969, Ser. No. 20,233

Term of patent 14 years Int. Cl. DIS-06 US. Cl. D49--11 FIG. 1 is a rear perspective view of the invention;

FIG. 2 is a right side perspective view of the invention;

FIG. 3 is a left side perspective View of the invention;

FIG. 4"is a plan perspective view of the invention as it rests on runners on the floor; and

FIG. 5 is a plan perspective view of the invention as it stands on legs on the floor.

We claim:

The ornamental design for a back pack vacuum cleaner, as shown.

Dec. 219,835

PAGE 3 References Cited UNITED STATES PATENTS 4/1966 Nelson 1/1965 Barba OTHER REFERENCES Automotive News, Mar. 26, 1962, p. 32, H vacuum cleaner.

A. HUGO WORD, Primary Examiner

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6647586Dec 7, 2001Nov 18, 2003Alma L. RogersPortable vacuum cleaning apparatus