Patent US3478341A successfully refreshed from Google Patents.
US3478341A
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US
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Random access magnetic disc storage device with peripheral bearing means
Assignee: NCR Voyix Corp
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Filing: 1966-07-11
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Granted: 1969-11-11
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Cebern B Trimble
- 👤 Frank S C Mo
- 👤 Ollah Combs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/32; G11B5/00; G11B5/127; G11B5/31; G11B5/3176; G11B5/3179; G11B5/3183; G11B5/48; G11B5/4806; G11B5/4813; G11B5/488; G11B5/4886; G11B5/54; G11B5/55; G11B5/5521; G11B5/56
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |