Machine for floor sweeping and scrubbing

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Information

Patent Grant
D291932

References
Source

Patent Number
D291,932
Date Filed
Friday, November 23, 1984
40 years ago
Date Issued
Tuesday, September 15, 1987
37 years ago

Inventors
- Christopher M. Knowlton
- Robert J. O'Hara
Original Assignees
- AAR Brooks & Perkins Corp.
Examiners
- Bullock; B. J.
- Takemoto; Ruth
Agents
- Harness, Dickey & Pierce

US Classifications
- D32 - Washing, cleaning, or drying machine
Field of Search
- US
- D32 1
- D32 4
- D32 15-16
- D32 19
- D32 25
- D32 30-32
- D32 34
- 015 49 C
- 015 50 R
- 015 50 C
- 015 78
- 015 79 A
- 015 81-83
- 015 87
- 015 98
- 015 320
- 015 340
- 015 353
- 015 380
- 015 49 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a machine for floor sweeping and scrubbing, as shown.

US Referenced Citations (6)

Number	Name	Date	Kind
D189718	Patch	Feb 1961
D257845	Peabody et al.	Jan 1981
D267824	Mannelly	Feb 1983
D273622	Brown et al.	Apr 1984
3113332	Kasper	Dec 1963
4369540	Burgoon et al.	Jan 1983

Non-Patent Literature Citations (1)

Entry
Tennant Company, Bulletin No. 85.26s, .COPYRGT.1962, Snow Broom.

Continuation in Parts (1)

	Number	Date	Country
Parent	642192	Aug 1984