# US 2021/0333447 A1 · Devices using glass bows

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- Number: US 2021/0333447 A1
- Document ID: US20210333447A1
- Status: Published application
- Kind: A1
- Application number: 17/166,331
- Filed: 2021-02-03
- Published: 2021-10-28
- Earliest claimed: 2020-04-28
- Inventors: Lara Knutson
- Web page: https://patentgrep.com/patent/US20210333447A1

## CPC

- F21V 33/0004: {Personal or domestic articles}
- G02B 5/12: Reflex reflectors
- A45F 3/04: Sacks or packs carried on the body by means of two straps passing over the two shoulders
- B42D 15/04: Foldable or multi-part cards or sheets
- F21S 9/02: the power supply being a battery or accumulator
- F21S 9/04: the power supply being a generator
- F21V 5/002: {using microoptical elements for redirecting or diffusing light}
- F21V 23/04: the elements being switches (safety devices F21V25/00)
- G02B 5/128: transparent spheres being embedded in matrix
- G09F 1/04: Folded cards
- G09F 19/18: involving the use of optical projection means, e.g. projection of images on clouds (projection apparatus per se G03B)
- A45F 2003/003: {combined with other objects; specially adapted for carrying specific objects}
- F21V 33/0008: {Clothing or clothing accessories, e.g. scarfs, gloves or belts}
- F21W 2121/06: for personal wear
- F21Y 2115/10: Light-emitting diodes [LED]
- G09F 13/00: Illuminated signs; Luminous advertising (G09F9/00, G09F11/00 take precedence; control of displays in general using static means to present variable information G09G)
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- A45F: TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- B42D: BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

## Abstract

A pop-up having a glass bow are produced by shining a point light source on a reflective and refractive surface. The pop-up with a glass bow might be incorporated into a card or a book.

## Claims

### Claim 1

A pop-up having a collapsed and a popped-up state comprising a glass bow wherein the improvement comprises:
a. a reflective and refractive surface having a retroreflection coefficient, RA (cd/lux/m2) (5°, 12°) of between about 0.2 and about 250;
b. positioned between about 1 and 17 cm in front of said reflective and refractive surface, a shaped object having a front and a back side, said front side of said shaped object facing away from the reflective and refractive surface and said back side of said shaped object facing said reflective and refractive surface as well as an edge forming a perimeter of said shaped object;
c. said edge of said opaque object having one, or more, aspects about which a nimbus can be created,
d. mounted on said back side of said shaped object, between about 5 mm and 2 cm from said aspect of said shaped object to have a nimbus and between about 5 mm and about 17 cm from said back side in the direction of said reflective and refractive surface is a point light source that shines on said reflective and refractive surface, and
e. a power source in communication with said point light source to turn said point light source on.

### Claim 2 (depends on 1)

The pop-up of claim 1 in which the object including the pop-up is a greeting card.

### Claim 3 (depends on 1)

The pop-up of claim 1 in which the object including the pop-up is a book.

### Claim 4 (depends on 1)

The pop-up of claim 1 further comprising a switch that closes the circuit to said point light source when said pop-up is popped-up.

### Claim 5 (depends on 1)

The pop-up of claim 1 in which the retroreflection coefficient, RA (cd/lux/m2), of said reflective and refractive surface is between about 0.3 and about 50.

### Claim 6 (depends on 1)

The pop-up of claim 1 in which the retroreflection coefficient, RA (cd/lux/m2), of said reflective and refractive surface is between about 0.3 and about 30.

### Claim 7 (depends on 1)

The pop-up of claim 1 in which said power source comprises a battery.

### Claim 8 (depends on 3)

The pop-up of claim 3 in which said power source comprises an external solar panel.

### Claim 9 (depends on 8)

The pop-up of claim 8 in which said external solar panel is in connectable communication with said point light source.

### Claim 10 (depends on 1)

The pop-up of claim 1 further comprising a second opaque object having an aspect about which a nimbus can be created.

### Claim 11 (depends on 1)

The pop-up of claim 1 in which said power source is external to said pop-up and removably connected to said point light source