Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Roller bit
D273680 Roller bit
Patent Drawings:Drawing: D273680-2    Drawing: D273680-3    Drawing: D273680-4    Drawing: D273680-5    
« 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.

* * * * *
 
 
  Recently Added Patents
Universal data-driven computer proxy
Vehicle motion control device
Electronic circuit having shared leakage current reduction circuits
Methods of modulating interleukin-22 and immune response by notch regulators
Microporous membranes and methods for producing and using such membranes
Sheet coil type resolver
Liquid-level sensor
  Randomly Featured Patents
Phenyldiboronic acid reagents and complexes
Double acting cylinder for tufting machine gate apparatus
Fluid injection stimulated heavy oil or mineral production system
Precision temperature sensor integrated circuit
Microcontroller and system for controlling trial times in a furnace system
Generating snapshots of data tables
Display device
Method for nondestructive measurement of dopant concentrations and profiles in the drift region of certain semiconductor devices
Method and apparatus for severing and capturing polyps
Magnetic device for a magnetic trip unit