US2711445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording and reproducing device
Assignee: Individual
•
Filing: 1951-03-27
•
Granted: 1955-06-21
•
Expires: 1971-03-27
Abstract
No abstract record available.
Inventors
- 👤 Steinegger Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:16
CPC Classifications
G; G11; G11B; G11B5/00; G11B2005/0002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091756A
Cited
GB567152A
Cited
US2428449A
Cited
US2456767A
Cited
US2504587A
Cited
US2558432A
Cited
US2594934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |