US3535467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transfer control system
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1967-12-18
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Granted: 1970-10-20
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Klaus-Dietrich Thieme
- 👤 Peter Koerv
- 👤 Walter Mehnert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:27
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/86; G11B27/00; G11B27/002; G11B27/02; G11B27/022; G11B27/024; G11B27/028; G11B27/031; G11B27/032; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/322; G11B27/323; G11B2220/00; G11B2220/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3405238A
Cited
US3427398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |