US2971916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscopic capsules containing magnetizable material
Assignee: NCR Voyix Corp
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Filing: 1957-01-30
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Granted: 1961-02-14
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Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 Schleicher Lowell
- 👤 Charles S Baughman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:30
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/10; B41; B41M; B41M5/00; B41M5/124; B41M5/165; G; G03; G03G; G03G19/00; G03G9/00; G03G9/08; G03G9/083; G03G9/0831; G03G9/0833; G03G9/0839; G03G9/093; H; H01; H01F; H01F1/00; H01F1/44; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106882A
Cited
US2680079A
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US2671451A
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US2730457A
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US2730456A
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US2800457A
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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) | 1964-02-14 | 1964-08-15 | 1965-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-14 | 1968-08-15 | 1969-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-14 | 1972-08-15 | 1973-02-14 | $7700.00 | Window Closed / Lapsed |