# US 11,026,489 B2 · Anti-theft device

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- Number: US 11,026,489 B2
- Document ID: US11026489B2
- Status: Granted
- Kind: B2
- Application number: 16/161,851
- Filed: 2018-10-16
- Published: 2020-04-16
- Granted: 2021-06-08
- Earliest claimed: 2018-10-16
- Applicants: Abigail E. Wood
- Inventors: Abigail E. Wood
- Web page: https://patentgrep.com/patent/US11026489B2

## CPC

- A45C 13/185: {of purses, money-bags or wallets}
- A45C 1/06: Wallets ({devices for the prevention of theft or loss of wallets A45C13/185}; for holding keys A45C11/32); Notecases
- A45C 13/18: Devices to prevent theft or loss of {purses,} luggage or {hand carried} bags
- A45F 5/022: {within pockets}
- A44C 19/00: Devices for preventing pilfering of watches or jewellery
- A45C: PURSES; LUGGAGE; HAND CARRIED BAGS
- A45F: TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A44C: PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS

## Abstract

A device comprises a first tube having a first diameter and a second tube having a second diameter. A spring may be disposed between the first tube and the second tube. The spring may couple the first to the second tube. A plurality of tines may be disposed at a first end of the first tube and at a first end of the second tube.

## Claims

### Claim 1

A system, comprising:
a wallet including an opening disposed along a length of the wallet; and
a device to engage with the wallet along a fold of the wallet, the device further comprising:
a first tube having a first diameter;
a second tube having a second diameter, wherein the second diameter is less than the first diameter;
a spring disposed between the first tube and the second tube such that the first tube is coupled to the second tube by the spring;
a first lip disposed on an upper surface of the first tube;
a second lip disposed on an upper surface of the second tube; and
a plurality of tines disposed at a first end of the first tube and at a first end of the second tube.

### Claim 2 (depends on 1)

The system of claim 1, wherein the device engages with the wallet along the fold of the wallet.

### Claim 3 (depends on 2)

The system of claim 2, wherein the device is engaged with the wallet such that the opening of the wallet faces upward.

### Claim 4 (depends on 1)

The system of claim 1, wherein:
the spring is engaged when the first lip and the second lip receive an applied force; and
the second tube slides into the first tube when the spring is engaged.

### Claim 5 (depends on 1)

The system of claim 1, wherein the spring is disengaged when the first lip and the second lip are in a resting position.

### Claim 6 (depends on 1)

The system of claim 1, wherein:
the wallet is inserted into a pocket when the device is engaged with the wallet; and
the plurality of tines engages with the pocket upon insertion.

### Claim 7 (depends on 1)

The system of claim 1, wherein the plurality of tines is disposed at an angle with respect to the device.