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Information
Patent Grant
D273620
References
Source
Patent Number
D273,620
Date Filed
Monday, August 30, 1982
43 years ago
Date Issued
Tuesday, April 24, 1984
41 years ago
Inventors
Paul W. Kimzey
David W. Berg
Warren L. Larson
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
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Abstract
Description
Claims
The ornamental design for a power sweeper, substantially as shown.
US Referenced Citations (4)
Number
Name
Date
Kind
D189718
Patch
Feb 1961
D257845
Peabody et al.
Jan 1981
3701177
Meyer et al.
Oct 1972
4009500
Ashton
Mar 1977
Non-Patent Literature Citations (1)
Entry
Tennant "85" Sweeper Modern Materials Handling May 1961 p. 218.