US3451049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skew correction arrangement for parallel track readout devices
Assignee: Control Data Corp
•
Filing: 1966-01-19
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Granted: 1969-06-17
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Norman G Horning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:07
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2937366A
Cited
US3197739A
Cited
US3154762A
Cited
US3286243A
Cited
US3281805A
Cited
US3273120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |