US3534334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control of a threshold in the digitization of an analog signal
Assignee: International Business Machines Corp
•
Filing: 1967-06-20
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Granted: 1970-10-13
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 Maurice R Bartz
- 👤 Duane W Baxter
- 👤 Gerald A Garry
- 👤 David L Johnston
- 👤 David A Styczinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:40
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/08; H03K5/082; H03K5/086; H03K5/088; G; G06; G06V; G06V30/00; G06V30/10; G06V30/16; G06V30/162; G11; G11C; G11C27/00; G11C27/02; G11C27/024; H03K5/084; H03K5/153; H03K5/1532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3267293A
Cited
US3415950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |