US3471789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single pulse switch logic circuit
Assignee: Unisys Corp
•
Filing: 1967-02-15
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Granted: 1969-10-07
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Nutting
- 👤 Milton H Bozarth Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/05; H03K3/00; H03K3/02; H03K3/027; H03K5/125; H03K5/1252; H03K5/13; H03K5/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |