US3060431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic data storage techniques
Assignee: Laboratory For Electronics Inc
•
Filing: 1956-02-08
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Granted: 1962-10-23
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Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Harrison W Fuller
- 👤 Carl W Ledin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:13
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/50; G11B5/00; G11B5/127; G11B5/17; G11B5/40; G11B5/48; G11B5/52; G11B5/53; G11B5/58; G11B5/60; G11B5/6005; G11B5/74; G11B5/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2710234A
Cited
GB688554A
Cited
US2584770A
Cited
US2612566A
Cited
US2673249A
Cited
US2772135A
Cited
US2862781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |