Patent US3105923A successfully refreshed from Google Patents.
US3105923A
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US
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Decision element circuits
Assignee: International Business Machines Corp
•
Filing: 1957-09-06
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Granted: 1963-10-01
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Rose Alan
- 👤 Parton John Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2719961A
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US2799450A
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US2741758A
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US2815488A
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US2864961A
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US2802202A
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US2820897A
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US2922996A
Cited
US2905934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |