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INVENTOR
PATENT HOLDER
PATENT NUMBER
DATE
Roller bit
D273680
Roller bit
Patent Drawings:
«
‹
1
›
»
(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:
Abstract:
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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