Wallet whistle
First Claim
1. A mouth whistle comprised of two plates with substantially separated surfaces created by a fold of a blank whereby each plate contains registering air-inlet openings substantially aligned when said blank is folded.
0 Assignments
0 Petitions
Accused Products
Abstract
A mouth whistle that is comprised of a plastic card with substantially the same dimensions as a standard credit card, a fold, and registered air inlets that are substantially aligned when the card is folded. The Wallet Whistle can be unfolded for convenient storage. It can be printed with attractive logos, pictures, and/or designs. The card is made of a flexible material that can be repeatedly bent without fracturing along an axis substantially bisecting the plane of said card. The axis of the card may contain a previous fold, crease, score, openings, or a flexible membrane, any of which acts as a hinge to facilitate folding.
16 Citations
20 Claims
- 1. A mouth whistle comprised of two plates with substantially separated surfaces created by a fold of a blank whereby each plate contains registering air-inlet openings substantially aligned when said blank is folded.
- 8. A process comprised of two air-inlet openings located on and substantially aligned between separated plates which are created by folding a blank whereby said openings produce a whistling sound with an introduction of forced air when said openings are substantially aligned.
- 15. A mouth whistle comprised of a predetermined fold along an axis to establish substantially parallel plates wherein said plates are comprised of registered air inlet openings substantially aligned when said axis is folded and a single plane when said blank is unfolded.
Specification