US2645495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording and translating device
Assignee: KRAG STEEL PRODUCTS Inc
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Filing: 1951-03-26
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Granted: 1953-07-14
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Expires: 1971-03-26
Abstract
No abstract record available.
Inventors
- 👤 Nelson John Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:47
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/22; G11B15/44; G11B15/46; G11B15/50; G11B15/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |