US2871408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: NCR Voyix Corp
•
Filing: 1953-04-21
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Granted: 1959-01-27
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Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Desch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/82; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J17/44; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404739A
Cited
US2303016A
Cited
US2549769A
Cited
US2503127A
Cited
US2447134A
Cited
US2644112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |