US4034494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holiday light
Assignee: Individual
•
Filing: 1975-10-02
•
Granted: 1977-07-12
•
Expires: 1995-10-02
Abstract
Abstract A picture display unit comprising an internal light source, a mirror, a rotatable disc, a diffuser, and intermediate sheets.
Inventors
- 👤 Chet M. Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:41
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/08; B44F1/10; G; G09; G09F; G09F13/00; G09F13/34
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
152 words
A picture display unit comprising: a frame an outer sheet of glass having indicia thereon, a colored overlay sheet positioned behind said outer sheet, a diffuser sheet positioned behind said overlay sheet, and a frame for supporting said sheets in juxtaposed relation, said frame further including therewithin a mirror facing towards the diffuser sheet, at least one disc rotatable about its center and serving as a light modifying means, a plurality of flags attached to the disc, one face of each flag having a light reflective coating, and the other face having a light absorbing coating, all similarly coated faces oriented in a similar direction, and a light source from which emanate rays of light which impinge upon the flags causing the disc to rotate due to impingement of light thereon, the rays of light passing directly or by reflection from the mirror to the diffuser sheet and through the outer sheet.
Claim 2
Dependent Claim
152 words
A picture display unit comprising: a frame an outer sheet of glass having indicia thereon, a colored overlay sheet positioned behind said outer sheet, a diffuser sheet positioned behind said overlay sheet, and a frame for supporting said sheets in juxtaposed relation, said frame further including therewithin a mirror facing towards the diffuser sheet, at least one disc rotatable about its center and serving as a light modifying means, a plurality of flags attached to the disc, one face of each flag having a light reflective coating, and the other face having a light absorbing coating, all similarly coated faces oriented in a similar direction, and a light source from which emanate rays of light which impinge upon the flags causing the disc to rotate due to impingement of light thereon, the rays of light passing directly or by reflection from the mirror to the diffuser sheet and through the outer sheet.
Claim 3
Dependent Claim
16 words
A picture unit as in claim 1 in which the diffuser may be made of Factrolite.
Claim 4
Dependent Claim
14 words
A picture unit as in claim 1 in which the overlay sheet comprises plastic.
Claim 5
Dependent Claim
14 words
A picture unit as in claim 1 in which the light source is incandescent.
Claim 6
Dependent Claim
14 words
A picture unit as in claim 1 in which the light source is fluorescent.
Claim 7
Dependent Claim
14 words
A picture unit as in claim 1 in which the rotatable disc is colored.
Claim 8
Dependent Claim
17 words
A picture unit as in claim 1 in which the disc has openings to pass light therethrough.
References Cited (Backward Citations)
US2371172A
Cited
US1437194A
Cited
US2846799A
Cited
US3080474A
Cited
US3160975A
Cited
US3736698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-11 | 1981-01-10 | 1981-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-11 | 1985-01-10 | 1985-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-11 | 1989-01-10 | 1989-07-12 | $7700.00 | Window Closed / Lapsed |