US2861184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse pair detector
Assignee: TDK Micronas GmbH
•
Filing: 1955-04-04
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Granted: 1958-11-18
•
Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Alexander Ben
- 👤 John F Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:44
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/38; H04L25/40; H04L25/49; H04L25/4902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2266401A
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US2434937A
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US2489297A
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US2408079A
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US2579473A
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US2482782A
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US2703364A
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US2760064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |