US3496405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating a stepped voltage waveform
Assignee: Texas Instruments Inc
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Filing: 1967-03-31
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Granted: 1970-02-17
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Expires: 1987-03-31
Abstract
No abstract record available.
Inventors
- 👤 Charles F Mankus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:01
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; H03K4/00; H03K4/02; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/27
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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |