Patent US4006688A successfully refreshed from Google Patents.
US4006688A
Expired / Lapsed
US
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Shot dispersion control device for shotgun shells
Assignee: Individual
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Filing: 1975-06-04
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Granted: 1977-02-08
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Expires: 1995-06-04
Abstract
Abstract A shot dispersion control device for use in shotgun shells having a base and a connected conical portion, which upon firing the shell, the dispersion control device exits the shotgun barrel simultaneously with the shot creating a more controlled, uniform and broader shot pattern than is normally delivered.
Inventors
- 👤 William J. Craft
- 👤 Carroll B. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:14
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/04; F42B7/043
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
116 words
A shotgun shell containing a shot dispersion control device comprising; a base casing, a cylindrical body extended from said casing, a powder charge and wadding positioned in said base casing, a shot dispersion control device positioned in said cylindrical body intermediate its length, and shot surrounding said device, said device having stabilizing means at one end thereof, a longitudinal member having a surface of which a major portion monotonically increases from said stability means, said longitudinal member having an end opposite said stability means, said opposite end including a recess therein for receiving shot, whereby shot surrounding said longitudinal member will be dispersed upon firing depending upon the monotonical increase of said longitudinal member's outer surface.
Claim 2
Dependent Claim
116 words
A shotgun shell containing a shot dispersion control device comprising; a base casing, a cylindrical body extended from said casing, a powder charge and wadding positioned in said base casing, a shot dispersion control device positioned in said cylindrical body intermediate its length, and shot surrounding said device, said device having stabilizing means at one end thereof, a longitudinal member having a surface of which a major portion monotonically increases from said stability means, said longitudinal member having an end opposite said stability means, said opposite end including a recess therein for receiving shot, whereby shot surrounding said longitudinal member will be dispersed upon firing depending upon the monotonical increase of said longitudinal member's outer surface.
Claim 3
Dependent Claim
16 words
A shotgun shell as claimed in claim 1, wherein said longitudinal member comprises a frusto-conical configuration.
Claim 4
Dependent Claim
20 words
A shotgun shell as claimed in claim 2, wherein said frusto-conical configuration defines a phi angle between 0° and 45°.
Claim 5
Dependent Claim
14 words
A shotgun shell as claimed in claim 1, wherein said recess is cylindrically shaped.
Claim 6
Dependent Claim
30 words
A shotgun shell as claimed in claim 1, wherein said shot dispersing control device is integrally formed from plastic and said longitudinal member extends one inch from said stability means.
Claim 7
Dependent Claim
22 words
A shotgun shell as claimed in claim 1, wherein said recess is in the forward terminal end of the said longitudinal member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |