US3689078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored recording discs
Assignee: Individual
•
Filing: 1969-06-30
•
Granted: 1972-09-05
•
Expires: 1989-06-30
Abstract
Abstract A colored recording disc comprising a transparent plastic sheet having recording grooves on the front face and color printing applied directly or indirectly to the rear face of said plastic sheet, so that the printing which may include a picture, photograph, design or the name of subject, the name of sponser and other necessary matters can be seen through the transparent plastic sheet.
Inventors
- 👤 Yasujiro Ban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:59
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/68; G11B3/70; G11B7/00; G11B7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A recording disc comprising a single circular transparent sheet provided on an outer annular portion of one face thereof with circular sound grooves so as to leave a central portion on said one face free of sound grooves, and at the opposite face thereof with a printing covering an area corresponding to said central portion of said one face, said printing being applied in reverse so as to be visible in correct form from said one face through said transparent plastic material and said printing including a pair of stereo-optic photographs, said central portion of said one face being provided with closely arranged parallel grooves and ridges, providing a three dimensional effect on said printing on said face when viewed from said one face; and an opaque film of paint applied over said printing on said other face.
Claim 2
Dependent Claim
138 words
A recording disc comprising a single circular transparent sheet provided on an outer annular portion of one face thereof with circular sound grooves so as to leave a central portion on said one face free of sound grooves, and at the opposite face thereof with a printing covering an area corresponding to said central portion of said one face, said printing being applied in reverse so as to be visible in correct form from said one face through said transparent plastic material and said printing including a pair of stereo-optic photographs, said central portion of said one face being provided with closely arranged parallel grooves and ridges, providing a three dimensional effect on said printing on said face when viewed from said one face; and an opaque film of paint applied over said printing on said other face.
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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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |