US5264022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite shot
Assignee: TDY Industries LLC
•
Filing: 1992-05-05
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Granted: 1993-11-23
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Expires: 2012-05-05
Abstract
Abstract Lead free shotshell pellets are disclosed which consist essentially of an alloy of iron and 30 to 46% by weight of tungsten. The shotshells may include a plurality of pellet sizes, and the pellets may be coated substantially uniformly with a polymeric coating, resin, or lubricant.
Inventors
- 👤 John C. Haygarth
- 👤 Darryl D. Amick
- 👤 Lloyd Fenwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0257; C22C33/0278; B; B22; B22F; B22F1/00; B22F1/14; B22F1/148; B22F9/00; B22F9/02; B22F9/06; B22F9/08; C22C27/00; C22C27/04; C22C38/00; C22C38/12; F; F42; F42B; F42B7/00; F42B7/02; F42B7/04; F42B7/046; B22F2009/0804; B22F2009/0808; B22F9/082; B22F2009/086; B22F2999/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
24 words
High specific gravity non-toxic, lead free shotshell pellets consisting essentially of an alloy of iron and from about 30% to 46% by weight tungsten.
Claim 2
Dependent Claim
24 words
High specific gravity non-toxic, lead free shotshell pellets consisting essentially of an alloy of iron and from about 30% to 46% by weight tungsten.
Claim 3
Dependent Claim
18 words
The shot pellets of claim 1 in which the specific gravity is from about 8 to about 10.5.
Claim 4
Dependent Claim
29 words
High specific gravity, non toxic shot lead free pellets of claim 1 substantially uniformly coated with a natural or synthetic resin, or lubricant, or a synthetic polymer or elastomer.
Claim 5
Dependent Claim
51 words
A lead-free shot shell containing pellets in a plurality of shot pellet sizes and further comprising at least one shot size consisting essentially of an alloy of iron and tungsten containing from about 30% to about 46% by weight of tungsten and at least one shot size consisting essentially of steel.
Claim 6
Dependent Claim
51 words
A lead-free shot shell containing pellets in a plurality of shot pellet sizes and further comprising at least one shot size consisting essentially of an alloy of iron and tungsten containing from about 30% to about 46% by weight of tungsten and at least one shot size consisting essentially of steel.
Claim 7
Dependent Claim
20 words
The shotshells of claim 4 wherein at least some of the pellets are covered substantially uniformly with a polymeric coating.
Claim 8
Dependent Claim
15 words
The shotshells of claim 4 wherein granular buffering materials are included with the shot pellets.
References Cited (Backward Citations)
US1847617A
Cited
US3372021A
Cited
JPS5268800A
Cited
US4949645A
Cited
JPH01142002A
Cited
US4881465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-22 | 1997-05-24 | 1997-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-22 | 2001-05-24 | 2001-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-22 | 2005-05-24 | 2005-11-23 | $7700.00 | Window Closed / Lapsed |