Patent US2715752A successfully refreshed from Google Patents.
US2715752A
Expired / Lapsed
US
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Apparatus for the manufacture of phonograph records
Assignee: CBS Broadcasting Inc
•
Filing: 1950-05-02
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Granted: 1955-08-23
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 James H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:02
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/30; B29C33/305; B29L; B29L2017/00; B29L2017/001; B29L2017/003; Y; Y10; Y10S; Y10S425/00; Y10S425/81; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1000156A
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US1190072A
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US1401966A
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US1692966A
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US1943947A
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US2092880A
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US2027787A
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US2267339A
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US2358499A
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US2441747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |