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Roller bit
D273680 Roller bit
Patent Drawings:Drawing: D273680-2    Drawing: D273680-3    Drawing: D273680-4    Drawing: D273680-5    
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(4 images)

Inventor: Kangas
Date Issued: May 1, 1984
Application: 06/257,874
Filed: April 27, 1981
Inventors: Kangas; Karl-Erik (Fagersta, SE)
Assignee: Fagersta AB (Fagersta, SE)
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Gitlin; Suzanne N.
Attorney Or Agent: Larson and Taylor
U.S. Class: D15/21
Field Of Search: D15/138; D15/239; D15/21; 175/329; 175/336; 175/374; 175/377; 175/378
International Class:
U.S Patent Documents: D265205; 2687875; 3442342; 4187922; 4343371
Foreign Patent Documents:
Other References:

Claim: The ornamental design for a roller bit, as shown and described.
Description: FIG. 1 is a top plan view of a roller bit showing my new design.

FIG. 2 is a side elevational view taken in the direction of any one of the three arrows 2 in FIG. 1;

FIG. 3 is a side elevational view taken in the direction of any one of the three arrows 3 in FIG. 1.

FIG. 4 is a bottom plan view thereof.

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