Patent US4640033A successfully refreshed from Google Patents.
US4640033A
Expired / Lapsed
US
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Illuminated child's tray
Assignee: Individual
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Filing: 1985-02-15
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Granted: 1987-02-03
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Expires: 2005-02-15
Abstract
Abstract A child's food serving tray, such as used on a high chair, which is illuminated to entertain the child and to function as an educational device. The tray surface has various artistic and educational designs which incorporate a plurality of electric lights mounted in the surface. The lights may flash on and off in a predetermined repetitive sequence, or a plurality of manual switches may be provided on the surface of the tray so that the child can selectively control the operation of the lights.
Inventors
- 👤 Ray P. Bulger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:05
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/0076; A; A47; A47G; A47G23/00; A47G23/06; A47G2023/0658; G09F; G09F23/00; G09F2023/005
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
69 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, wherein the electrical circuit means includes a plurality of manual switches mounted on said tray surface, said manual switches selectively controlling the illumination of said electric lights.
Claim 2
Dependent Claim
69 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, wherein the electrical circuit means includes a plurality of manual switches mounted on said tray surface, said manual switches selectively controlling the illumination of said electric lights.
Claim 3
Dependent Claim
66 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located with the tray; and electrical circuit means connecting power source to said electric lights, wherein the electrical circuit means futher includes a microprocessor which illuminates said electric lights in complex sequences in response to operation of said manual switches.
Claim 4
Dependent Claim
66 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located with the tray; and electrical circuit means connecting power source to said electric lights, wherein the electrical circuit means futher includes a microprocessor which illuminates said electric lights in complex sequences in response to operation of said manual switches.
Claim 5
Dependent Claim
57 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, further comprising a multiplicity of interchangeable overlays of various designs which overlay said tray surface.
Claim 6
Dependent Claim
57 words
An illuminated tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, further comprising a multiplicity of interchangeable overlays of various designs which overlay said tray surface.
Claim 7
Dependent Claim
64 words
An illuminated child's tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, said electrical circuit means including a plurality of manual switches and a microprocessor to control the illumination of said electric lights.
Claim 8
Dependent Claim
64 words
An illuminated child's tray comprising: a tray surface having an artistic design thereon; a plurality of electric lights mounted within said tray surface; an electrical power source located within the tray; and electrical circuit means connecting said power source to said electric lights, said electrical circuit means including a plurality of manual switches and a microprocessor to control the illumination of said electric lights.
Claim 9
Dependent Claim
16 words
The illuminated child's tray of claim 4 wherein the tray is a child's high chair tray.
Claim 10
Dependent Claim
21 words
The illuminated child's tray of claim 4 wherein the tray is removeably attachable to an airplane seat's fold down tray table.
Claim 11
Dependent Claim
22 words
The illuminated child's tray of claim 4 further comprising a multiplicity of interchangeable overlays of various designs which overlay said tray surface.
Claim 12
Dependent Claim
18 words
The illuminated child's tray of claim 4 wherein the artistic design is the logo of a commercial organization.
Claim 13
Dependent Claim
19 words
The illuminated child's tray of claim 4 wherein the artistic design incorporates said electric lights in an educational exercise.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-02 | 1990-08-04 | 1991-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-02 | 1994-08-04 | 1995-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-02 | 1998-08-04 | 1999-02-03 | $7700.00 | Window Closed / Lapsed |