# US 2014/0150319 A1 · Disk-shaped bullet, bullet case and firearm with rectangular barrel for disk-shaped bullet

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2014/0150319 A1
- Document ID: US20140150319A1
- Status: Published application
- Kind: A1
- Application number: 13/666,322
- Filed: 2012-11-01
- Published: 2014-06-05
- Earliest claimed: 2012-11-01
- Inventors: Nicholas F. Mirabile
- Web page: https://patentgrep.com/patent/US20140150319A1

## CPC

- F42B 30/02: Bullets
- F41A 21/16: Barrels or gun tubes characterised by the shape of the bore
- F41A 21/18: Grooves-Rifling
- F42B 5/025: {characterised by the dimension of the case or the missile}
- F42B 5/26: Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04})
- F42B 5/32: for rim fire
- F42B 12/00: Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material (F42B6/00, F42B10/00, F42B14/00 take precedence; for practice or training F42B8/12, F42B8/28; self-propulsion or guidance aspects F42B15/00)
- F42B: EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION (explosive compositions C06B; fuzes F42C; blasting F42D)
- F41A: FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

## Abstract

A firearm is provided that includes a receiver, a stock, an elongated barrel and a muzzle. The barrel extends from the receiver to the muzzle and has a rectangular internal bore extending from the receiver to the muzzle. The internal bore has two short sides and two long sides A plurality of teeth extends along one of the short sides within the internal bore. A disk-shaped bullet titling within the internal bore may be tired from the firearm. A bullet case having a rectangular orifice is provided to chamber the disk-shaped bullet for propulsion through the rectangular internal bore of the firearm.

## Claims

### Claim 1

A firearm comprising a receiver, a stock, an elongated barrel and a muzzle, the barrel extending from the receiver to the muzzle and having a rectangular internal bore extending from the receiver to the muzzle, the internal bore having two short sides and two long sides, the internal bore having a plurality of teeth along the internal bore along one of the short sides, wherein a disk-shaped bullet fitting within the internal bore may be tired from the firearm.

### Claim 2 (depends on 1)

The firearm of claim 1, wherein the teeth are a shape selected from the group consisting of rectangular, angled, convex and concave.

### Claim 3 (depends on 1)

The firearm of claim 1, wherein the elongated barrel is curved.

### Claim 4

A bullet case for use with a firearm having a rectangular internal bore having two short sides and two long sides, the internal bore having a plurality of teeth along the internal bore along one of the short sides, the bullet case having a rectangular orifice for holding a disk-shaped bullet, wherein the disk-shaped bullet placed within the rectangular orifice may be fired from the firearm through the internal bore.

### Claim 5 (depends on 5)

The bullet case of claim 5, wherein the bullet case has a sloped shoulder.

### Claim 6 (depends on 5)

The bullet case of claim 5, wherein the bullet case has a neck.

### Claim 7 (depends on 5)

The bullet case of claim 5, wherein the bullet case is primer center-fired.

### Claim 8 (depends on 5)

The bullet case of claim 5, wherein the bullet case is rim-fired.

### Claim 9

A bullet for use with a firearm having a rectangular internal bore having two short sides and two long sides, the internal bore having a plurality of teeth along the internal bore along one of the short sides, the bullet comprising a coin-shaped disk having a diameter so that the bullet fits sufficiently snugly within the internal bore of the barrel so that when the bullet is fired from the firearm, the bullet obtains rotation due to the teeth in the internal bore.