Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Pilot end having means enhancing fastening or installation
Reexamination Certificate
2005-02-23
2008-07-01
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Pilot end having means enhancing fastening or installation
C411S387700, C411S412000
Reexamination Certificate
active
07393170
ABSTRACT:
A screw is provided that includes a head from which a shank extends. The shank has an end section at a distal end that includes a drilling portion. A conically-shaped tip potion is disposed at the distal end of the drilling portion and at least one guiding thread is spirally formed on the conically-shaped tip portion. A cutting edge is defined in the drilling portion by at least one groove formed therein.
REFERENCES:
patent: 2135637 (1938-11-01), Gade
patent: 2349593 (1944-05-01), Hosking
patent: 2484644 (1949-10-01), Poupitch
patent: 2993950 (1961-07-01), Forman
patent: 3045523 (1962-07-01), Reed
patent: 3076208 (1963-02-01), Moore
patent: 3094894 (1963-06-01), Broberg
patent: 3176746 (1965-04-01), Walton
patent: 3207024 (1965-09-01), Sommer
patent: 4028987 (1977-06-01), Wilson
patent: 4323326 (1982-04-01), Okada et al.
patent: 4329099 (1982-05-01), Shimizu et al.
patent: 4645396 (1987-02-01), McCauley et al.
patent: 4655661 (1987-04-01), Brandt
patent: 4900208 (1990-02-01), Kaiser et al.
patent: 5046905 (1991-09-01), Piacenti et al.
patent: RE33901 (1992-04-01), Shinjo
patent: 5413444 (1995-05-01), Thomas et al.
patent: 5865584 (1999-02-01), Onofrio
patent: 6022177 (2000-02-01), Hofer
patent: 6142719 (2000-11-01), Daubinger et al.
patent: 6164887 (2000-12-01), Palm
patent: 6402448 (2002-06-01), Dicke
patent: 6789991 (2004-09-01), Hsu
patent: 6887023 (2005-05-01), Lu et al.
patent: 7037309 (2006-05-01), Weil et al.
patent: 7090452 (2006-08-01), Chen
patent: 7090453 (2006-08-01), Lin
patent: 2004/0018069 (2004-01-01), Lai
patent: 2004/0146377 (2004-07-01), Chen
patent: 2005/0186048 (2005-08-01), Dicke
patent: 2006/0153662 (2006-07-01), Chen
patent: 407317738 (1995-12-01), None
Rosenberg , Klein & Lee
Saether Flemming
LandOfFree
Screw with guide wings does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Screw with guide wings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Screw with guide wings will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3964155