Archery broadhead with replaceable blades

Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Arrow – dart – or shuttlecock; part thereof

Reexamination Certificate

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Reexamination Certificate

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07410434

ABSTRACT:
A broadhead includes a ferrule for mounting an arrowshaft, the ferrule having a locking portion. At least two blades are mounted on the ferrule (three are used in the preferred embodiment), the blades being coupled to the ferrule in their center portions by notches that mate with the locking portion of the ferrule. A locking nut is mounted on a rear portion of the ferrule for holding the three blades in place on the ferrule when the locking nut is tightened.

REFERENCES:
patent: 2940758 (1960-06-01), Richter
patent: 2993697 (1961-07-01), Urban
patent: 4036499 (1977-07-01), Sherwin
patent: 4146226 (1979-03-01), Sorenson
patent: 4210330 (1980-07-01), Kosbab
patent: 4537404 (1985-08-01), Castellano
patent: 4570941 (1986-02-01), Saunders
patent: 4781386 (1988-11-01), Armitage
patent: 4807889 (1989-02-01), Johnson
patent: 5636845 (1997-06-01), Newnam
patent: 5636846 (1997-06-01), Tinsley
patent: 6045468 (2000-04-01), Tinsley et al.
patent: 6077180 (2000-06-01), Adams, Jr.
patent: 6290903 (2001-09-01), Grace, Jr. et al.
patent: 6605012 (2003-08-01), Muller
patent: 6743128 (2004-06-01), Liechty
patent: 6875138 (2005-04-01), Perkins
Shuttle T-Lock Broadhead: Launch It!, at http://www.tightpoint.com/t-lock.asp, 2 pages (Copyright 2005).
B-52 Broadhead, at http://www.g5outdoors.com/Products/ProductDetail.aspx?productid=1, 2 pages (Copyright 2004).
Supplementary European Search Report for European Patent Application No. 03776537.7, dated Nov. 21, 2007, 3 pages.

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