US3458654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit
Assignee: Telefunken Patentverwertungs GmbH
•
Filing: 1965-07-02
•
Granted: 1969-07-29
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Horst Ohnsorge
- 👤 Ulrich Haller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04L1/1607; H04L1/1657; H04L1/18; H04L1/1829; H04L1/1848; H04L1/1867; H04L1/187; H04L2001/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2988596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |