Combination sweeper-scrubber floor machine

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Information

Patent Grant
D273621

References
Source

Patent Number
D273,621
Date Filed
Tuesday, September 7, 1982
42 years ago
Date Issued
Tuesday, April 24, 1984
40 years ago

Inventors
- Alfred D. Carlson
- Donald J. Haub
Original Assignees
- Tennant Company
Examiners
- Kemper; Catherine E.
- Wilder; Lynn
Agents
- Merchant, Gould, Smith, Edell, Welter & Schmidt

US Classifications
- D32 - Washing, cleaning, or drying machine
Field of Search
- US
- D32 15
- D32 16
- 015 48
- 015 49 R
- 015 50 R
- 015 300
- 015 320-327
- 015 340
- 015 353
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a combination sweeper-scrubber floor machine, substantially as shown.

US Referenced Citations (6)

Number	Name	Date	Kind
D202170	Little et al.	Sep 1965
D206576	Knapp et al.	Jan 1967
D255356	Block	Jun 1980
D263475	Block	Mar 1982
4210978	Johnson et al.	Jul 1980
4348783	Swanson et al.	Sep 1982