US2786137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse standardizer circuit
Assignee: Unisys Corp
•
Filing: 1952-10-21
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Granted: 1957-03-19
•
Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Paivinen John Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141343A
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US2406019A
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US2489297A
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US2468058A
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US2430457A
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US2577762A
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US2591406A
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US2712065A
Cited
US2685049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |