US2715752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of phonograph records
Assignee: CBS Broadcasting Inc
•
Filing: 1950-05-02
•
Granted: 1955-08-23
•
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 12:17
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US847820A
Cited
US941291A
Cited
US1000156A
Cited
US1190072A
Cited
US1401966A
Cited
US1692966A
Cited
US1943947A
Cited
US2092880A
Cited
US2027787A
Cited
US2267339A
Cited
US2358499A
Cited
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 |