Square drill bit

Details Square drill bit Square drill bit

2003-06-12

2004-10-05

Davis, Antoine D. (Department: 2913)

Machines not elsewhere specified

Material working, abrading, or founding machinery

Element or attachment

Design Patent

active

D0496948

CLAIM:
The ornamental design for a square drill bit, as shown and described.

REFERENCES:
patent: 3870114 (1975-03-01), Pulk et al.
patent: 4765416 (1988-08-01), Bjerking et al.
patent: 5259469 (1993-11-01), Stjernstrom et al.
patent: 5435401 (1995-07-01), Hedlund et al.
patent: 5542483 (1996-08-01), Edman
patent: 5590726 (1997-01-01), Jarvela et al.
patent: 5839519 (1998-11-01), Spedale, Jr.
patent: 5921332 (1999-07-01), Spedale, Jr.
patent: 5934394 (1999-08-01), Fareham
patent: 5957224 (1999-09-01), Ilomaki
patent: 6021856 (2000-02-01), Pascale
patent: 6076618 (2000-06-01), .ANG.sberg
patent: 6102141 (2000-08-01), Engstrom et al.
patent: 6112835 (2000-09-01), Grafe et al.
patent: 6182776 (2001-02-01), Asberg
patent: 6658968 (2003-12-01), Linden et al.
patent: 0 358 786 (1990-03-01), None
Concentrix Overburden Drilling System.
Outils de forage Sandvik Coromant TUBEX.
Centrex.
Stratex Drill Systems.
Symmetrix For drilling of tube umbrella.

Affiliated with

Also associated with

Rating

Square drill bit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Square drill bit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Square drill bit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3302024