US2851614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device intended to convert a pulse into a new pulse having a steep leading edge
Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1952-11-07
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Granted: 1958-09-09
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Expires: 1972-11-07
Abstract
No abstract record available.
Inventors
- 👤 Emanuelsson Gunnar Gideon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:28
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/02; G01R29/027; G01R29/0273; H; H03; H03K; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2676250A
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US2685039A
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US2657318A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |