U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

T-lock broadhead and tight point matched balance point archery point system

Patent 7179182 Issued on February 20, 2007. Estimated Expiration Date: Icon_subject October 20, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Razor type arrowhead
Patent #: 4146226
Issued on: 03/27/1979
Inventor: Sorensen

Arrowhead with removable blades
Patent #: 4381866
Issued on: 05/03/1983
Inventor: Simo

Archery broadhead
Patent #: 4505482
Issued on: 03/19/1985
Inventor: Martin, Sr.

Arrowhead
Patent #: 4529208
Issued on: 07/16/1985
Inventor: Simo

Arrow ringed broadhead
Patent #: 5044640
Issued on: 09/03/1991
Inventor: DelMonte, et al.

Arrow point
Patent #: 5114156
Issued on: 05/19/1992
Inventor: Saunders

Broadhead arrowhead
Patent #: 5160148
Issued on: 11/03/1992
Inventor: Musacchia, Sr.

Ferrule with irregular skin surface for an archery broadhead
Patent #: 5871410
Issued on: 02/16/1999
Inventor: Simo, et al.

Archery arrow tuning, practice, and field point
Patent #: 6027421
Issued on: 02/22/2000
Inventor: Adams, Jr.

Archery broadhead
Patent #: 6077180
Issued on: 06/20/2000
Inventor: Adams, Jr.

More ...

Inventor

Application

No. 10969576 filed on 10/20/2004

US Classes:

473/583, Broadhead473/584Having interchangeable blade

Examiners

Primary: Ricci, John A.

Attorney, Agent or Firm

International Class

F42B 6/08

Abstract

Provided is a broadhead for an arrow having a shaft with a shaft bore. The broadhead comprises a ferrule and a plurality of blade members. The ferrule has a mating end and a tip end with a plurality of convex ridges being equiangularly spaced around the ferrule such that the ferrule has a tri-oval cross section. Each one of the ridges has a blade groove formed therein for receiving one of the blade members. The blade members each have a base portion that is shaped complementary to the blade groove so that the blade member may be axially insertable into the blade groove. The broadhead includes a shank extending outwardly from the mating end and which is threadably engagable into the shaft bore. An O-ring mounted on the shank is captured between the shank and the shaft bore when the broadhead is secured to the arrow at the mating end.

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