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Patent
   D424765
Priority
May 21 1999
Filed
May 21 1999
Issued
May 09 2000
Expiry
May 09 2014
Inventors
Pihl, Rich…
Assg.orig
3M Innovat…
Assg.curr
3M Innovat…
Entity
unknown
Referenced by
12
References
17
Maint.:
n/a
The ornamental design for a center portion of a brush, as shown and described.

FIG. 1 is an isometric view of a center portion of a bristle brush;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an enlarged isometric view of a portion thereof.

The left side view is identical to the right side view.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.
INVENTORS:

Pihl, Richard M., Roeker, David C., Lund, Yvonne I.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6422932, Oct 15 1999 3M Innovative Properties Company Integrally molded brush and method for making the same
6730140, Oct 15 1999 3M Innovative Properties Company Integrally molded brush and method of making the same
7121937, Mar 17 2003 3M Innovative Properties Company Abrasive brush elements and segments
D765928, May 14 2015 RPS Corporation; RPS CORPORATION, INC Floor cleaning implement
D817569, Mar 23 2015 Tennant Company Interchangeable scrub brush or scrub pad for a floor maintenance vehicle
D848691, Nov 15 2017 Bristles of a brush
D848694, Nov 15 2017 Bristles of a brush
D855914, Mar 23 2015 Tennant Company Interchangeable scrub brush or scrub pad for a floor maintenance vehicle
D938118, Mar 23 2015 Tennant Company Interchangeable scrub brush or scrub pad for a floor maintenance vehicle
D968732, Sep 18 2019 RPS Corporation Floor cleaning implement
ER2339,
ER3637,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2682734,
2826776,
2984053,
3233272,
3958294, Aug 23 1974 The Thompson Tool Co., Inc. Rotary scraper
4907378, Nov 14 1988 Minnesota Mining and Manufacturing Company; MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE Flap wheel assembly
5170593, Mar 18 1991 Jason, Inc. Method of making a perforated strip abrasive tool
5187904, Jan 29 1990 Jason, Inc. Abrasive finishing elements, tools made from such elements, and methods of making such tools
5316812, Dec 20 1991 Minnesota Mining and Manufacturing Company Coated abrasive backing
5679067, Apr 28 1995 3M Innovative Properties Company Molded abrasive brush
5903951, Nov 16 1995 3M Innovative Properties Company Molded brush segment
5915436, Apr 28 1995 3M Innovative Properties Company Molded brush
D369447, Mar 18 1994 Minnesota Mining and Manufacturing Company Rotary brush
D378004, Nov 16 1995 Minnesota Mining and Manufacturing Company Radial brush segment
D381139, Apr 28 1995 Minnesota Mining and Manufacturing Company Molded abrasive brush
D408601, Feb 23 1998 Minnesota Mining and Manufacturing Company Surface treating article
D409340, Feb 23 1998 Minnesota Mining and Manufacturing Company Hub
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 20 1999LUND, YVONNE I 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099830102 pdf
May 20 1999PIHL, RICHARD M 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099830102 pdf
May 21 19993M Innovative Properties Company(assignment on the face of the patent)
May 21 1999ROEKER, DAVID C 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099830102 pdf
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