US2751584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visual readout device
Assignee: NCR Voyix Corp
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Filing: 1953-11-10
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Granted: 1956-06-19
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Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 Carl L Isborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:43
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0033; G02B6/0058; G02B6/006; G09; G09F; G09F9/00; G09F9/46; G02B6/0013; G02B6/0015; G02B6/002; G02B6/0021; G02B6/0081
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) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |