US2465849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-reproducing device
Assignee: Individual
•
Filing: 1944-04-10
•
Granted: 1949-03-29
•
Expires: 1964-04-10
Abstract
No abstract record available.
Inventors
- 👤 John R Cooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
G; G11; G11B; G11B7/00; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2124030A
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US2172313A
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US2121211A
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US2268097A
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US2262354A
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US2199071A
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US2331337A
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US2261644A
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US2274530A
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US2363502A
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US2347084A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |