Patent US3787274A successfully refreshed from Google Patents.
US3787274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph record disc
Assignee: Victor Company of Japan Ltd
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Filing: 1971-05-21
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Granted: 1974-01-22
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Expires: 1991-05-21
Abstract
Abstract A synthetic resin moulded product has a moulded label equivalent portion. A mirror-like, smooth surface on the product has a predetermined pattern. A coarse surface on other parts are formed with a pattern having extremely minute and fine projections and depressions. The label equivalent portion indicates the predetermined pattern by a contrast of lusterless parts and lustrous parts. The manufacturing method produces the synthetic resin moulded product with the label equivalent portion.
Inventors
- 👤 S Genma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:30
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29L; B29L2017/00; B29L2017/001; B29L2017/003; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24479; Y10T428/24521; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/26; Y10T428/269
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
154 words
A synthetic resin moulded phonograph record disC comprising a label equivalent portion formed by moulding a portion of the surface of said moulded phonograph record disc, with said label equivalent portion formed in a part other than the sound grooves of said phonograph record disc comprising a surface part in which a predetermined pattern is formed by a combination of smooth surfaces having a mirror-like light reflecting characteristic and uniformly coarse surfaces, said coarse surfaces having projections and depressions, the depth of the projections and depressions being in a range of 1-5 Mu and the width thereof in a range of 5-15 Mu , and irregular light reflection surfaces on said coarse surface parts to form a lusterless part contrasting with the luster of said smooth mirror reflection surface parts, whereby said label equivalent portion indicates a predetermined pattern by a contrast between the lusterless coarse surface parts and the lustrous smooth surface parts.
Claim 2
Dependent Claim
154 words
A synthetic resin moulded phonograph record disC comprising a label equivalent portion formed by moulding a portion of the surface of said moulded phonograph record disc, with said label equivalent portion formed in a part other than the sound grooves of said phonograph record disc comprising a surface part in which a predetermined pattern is formed by a combination of smooth surfaces having a mirror-like light reflecting characteristic and uniformly coarse surfaces, said coarse surfaces having projections and depressions, the depth of the projections and depressions being in a range of 1-5 Mu and the width thereof in a range of 5-15 Mu , and irregular light reflection surfaces on said coarse surface parts to form a lusterless part contrasting with the luster of said smooth mirror reflection surface parts, whereby said label equivalent portion indicates a predetermined pattern by a contrast between the lusterless coarse surface parts and the lustrous smooth surface parts.
Claim 3
Dependent Claim
35 words
The synthetic resin moulded phonograph record disc of claim 1 wherein letters, figures or other designations are formed in said predetermined pattern by said smooth surface parts with a background of said coarse surface parts.
Claim 4
Dependent Claim
35 words
The synthetic resin moulded phonograph record disc of claim 1 wherein letters, figures or other designations are formed in said predetermined pattern by said coarse surface parts with a background of said smooth surface parts.
Claim 5
Dependent Claim
46 words
The synthetic resin moulded phonograph record disc of claim 1 wherein said label equivalent portion further comprises depressed portions each having a coarse surface on the bottom thereof, the height between the depressed portion and said smooth surface being in a range of 10-100 Mu .
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |