US2518232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for centralizing and clamping phonograph disk records
Assignee: SoundScriber Corp
•
Filing: 1945-02-26
•
Granted: 1950-08-08
•
Expires: 1965-02-26
Abstract
No abstract record available.
Inventors
- 👤 Julius L Giovannucci
- 👤 Werbiskas John
- 👤 Donald F Balmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:29
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/0284; G11B17/0285; G11B17/0288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22551E
Cited
US1868846A
Cited
US2135035A
Cited
GB539492A
Cited
US2323365A
Cited
US2340418A
Cited
US2293219A
Cited
US2380727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |