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US2986725A
Expired / Lapsed
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Storing data signals on tapes
Assignee: Individual
•
Filing: 1958-08-28
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Granted: 1961-05-30
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Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 Dirks Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:04
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/18; G06F; G06F11/00; G06F11/07; G06F11/14; G11; G11B; G11B27/00; G11B27/10; G11B27/102; G11B27/107; G11B27/19; G11B27/28; G11B27/32; G11B5/00; G11B5/008; G11B5/00813; G11B5/00847; G11B5/0086
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |