US3483398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-saturating inhibit switching circuit
Assignee: International Business Machines Corp
•
Filing: 1966-05-24
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Granted: 1969-12-09
•
Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Murphy
- 👤 John R Turnbull Jr
- 👤 James L Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:18
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/01; H03K19/013; H03K19/02; H03K19/08; H03K19/082; H03K19/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3118073A
Cited
US3248561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |