US3040192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic, exclusive-or, and shift register circuits utilizing directly connected cascade transistors in "tree" configuration
Assignee: International Business Machines Corp
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Filing: 1958-07-30
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Granted: 1962-06-19
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Slobodzinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28; H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/086; H03K19/20; H03K19/21; H03K19/212
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |