US3801186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manual rhythm light instrument
Assignee: Individual
•
Filing: 1972-07-31
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Granted: 1974-04-02
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Expires: 1992-07-31
Abstract
Abstract A manually distortable light reflective medium mounted upon a base and variable colored light means for projecting light upon said medium to be reflected therefrom as rhythmic light patterns.
Inventors
- 👤 R Dian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:50
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
134 words
A hand-held manually operable light rhythm projection instrument comprising an elongated base generally having the shape of a guitar, said base defining a surface analogous to the stringed area of a guitar, said surface being accessible to the hand of a person holding the instrument as are the strings of a guitar, a resilient, manually distortable light reflecting medium having a mirrored surface mounted upon said base surface, a light source, and means mounted upon and movable with said base in predetermined spaced relation to said light reflecting medium for holding said light source in position to direct light upon said medium, whereby said instrument may be held and carried by a user in the manner of a guitar and said medium may be manually and rhythmically distorted to project light onto adjacent surroundings.
Claim 2
Dependent Claim
134 words
A hand-held manually operable light rhythm projection instrument comprising an elongated base generally having the shape of a guitar, said base defining a surface analogous to the stringed area of a guitar, said surface being accessible to the hand of a person holding the instrument as are the strings of a guitar, a resilient, manually distortable light reflecting medium having a mirrored surface mounted upon said base surface, a light source, and means mounted upon and movable with said base in predetermined spaced relation to said light reflecting medium for holding said light source in position to direct light upon said medium, whereby said instrument may be held and carried by a user in the manner of a guitar and said medium may be manually and rhythmically distorted to project light onto adjacent surroundings.
Claim 3
Dependent Claim
43 words
The light rhythm projection instrument according to claim 1 wherein a rotatable transparent color wheel is interposed between said light source and reflecting medium, means for effecting rotation of said wheel, and said light source holding means includes means for mounting said wheel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |